Home / 24,686.19-34,053.09-15,130.71

Finding the Fourth Proportional to 24,686.19, 34,053.09 and 15,130.71

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Solution

The fourth proportional to 24,686.19, 34,053.09 and 15,130.71 is: 20,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,686.19 : 34,053.09 = 15,130.71 : x
  2. Step 2: Convert to fraction form
    24,686.19/34,053.09 = 15,130.71/x
  3. Step 3: Cross multiply
    24,686.19x = 34,053.09 × 15,130.71
  4. Step 4: Simplify right side
    24,686.19x = 515,247,429.39
  5. Step 5: Solve for x
    x = 515,247,429.39/24,686.19
  6. Step 6: Final answer
    x = 20,871.89

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Half scale
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Double scale
Find fourth proportional to 24,687.19, 34,054.47 and 15,131.71
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.