Home / 28,701.71-39,605.34-15,952.85

Finding the Fourth Proportional to 28,701.71, 39,605.34 and 15,952.85

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Solution

The fourth proportional to 28,701.71, 39,605.34 and 15,952.85 is: 22,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.71 : 39,605.34 = 15,952.85 : x
  2. Step 2: Convert to fraction form
    28,701.71/39,605.34 = 15,952.85/x
  3. Step 3: Cross multiply
    28,701.71x = 39,605.34 × 15,952.85
  4. Step 4: Simplify right side
    28,701.71x = 631,817,850.19
  5. Step 5: Solve for x
    x = 631,817,850.19/28,701.71
  6. Step 6: Final answer
    x = 22,013.25

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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.