Home / 28,528.24-42,781.89-9,802.97

Finding the Fourth Proportional to 28,528.24, 42,781.89 and 9,802.97

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Solution

The fourth proportional to 28,528.24, 42,781.89 and 9,802.97 is: 14,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528.24 : 42,781.89 = 9,802.97 : x
  2. Step 2: Convert to fraction form
    28,528.24/42,781.89 = 9,802.97/x
  3. Step 3: Cross multiply
    28,528.24x = 42,781.89 × 9,802.97
  4. Step 4: Simplify right side
    28,528.24x = 419,389,584.21
  5. Step 5: Solve for x
    x = 419,389,584.21/28,528.24
  6. Step 6: Final answer
    x = 14,700.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.