Home / 25,871.67-35,706.77-15,805.93

Finding the Fourth Proportional to 25,871.67, 35,706.77 and 15,805.93

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Solution

The fourth proportional to 25,871.67, 35,706.77 and 15,805.93 is: 21,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,871.67 : 35,706.77 = 15,805.93 : x
  2. Step 2: Convert to fraction form
    25,871.67/35,706.77 = 15,805.93/x
  3. Step 3: Cross multiply
    25,871.67x = 35,706.77 × 15,805.93
  4. Step 4: Simplify right side
    25,871.67x = 564,378,657.39
  5. Step 5: Solve for x
    x = 564,378,657.39/25,871.67
  6. Step 6: Final answer
    x = 21,814.54

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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.