Home / 28,699.29-39,604.99-15,952.08

Finding the Fourth Proportional to 28,699.29, 39,604.99 and 15,952.08

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Solution

The fourth proportional to 28,699.29, 39,604.99 and 15,952.08 is: 22,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699.29 : 39,604.99 = 15,952.08 : x
  2. Step 2: Convert to fraction form
    28,699.29/39,604.99 = 15,952.08/x
  3. Step 3: Cross multiply
    28,699.29x = 39,604.99 × 15,952.08
  4. Step 4: Simplify right side
    28,699.29x = 631,781,806.52
  5. Step 5: Solve for x
    x = 631,781,806.52/28,699.29
  6. Step 6: Final answer
    x = 22,013.85

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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.