Home / 19,028.78-26,259.76-10,531.49

Finding the Fourth Proportional to 19,028.78, 26,259.76 and 10,531.49

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Solution

The fourth proportional to 19,028.78, 26,259.76 and 10,531.49 is: 14,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.78 : 26,259.76 = 10,531.49 : x
  2. Step 2: Convert to fraction form
    19,028.78/26,259.76 = 10,531.49/x
  3. Step 3: Cross multiply
    19,028.78x = 26,259.76 × 10,531.49
  4. Step 4: Simplify right side
    19,028.78x = 276,554,281.71
  5. Step 5: Solve for x
    x = 276,554,281.71/19,028.78
  6. Step 6: Final answer
    x = 14,533.48

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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.