Home / 28,580.47-39,428.93-17,966.23

Finding the Fourth Proportional to 28,580.47, 39,428.93 and 17,966.23

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Solution

The fourth proportional to 28,580.47, 39,428.93 and 17,966.23 is: 24,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.47 : 39,428.93 = 17,966.23 : x
  2. Step 2: Convert to fraction form
    28,580.47/39,428.93 = 17,966.23/x
  3. Step 3: Cross multiply
    28,580.47x = 39,428.93 × 17,966.23
  4. Step 4: Simplify right side
    28,580.47x = 708,389,171.38
  5. Step 5: Solve for x
    x = 708,389,171.38/28,580.47
  6. Step 6: Final answer
    x = 24,785.78

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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.