Home / 28,550.64-39,397.97-15,802.97

Finding the Fourth Proportional to 28,550.64, 39,397.97 and 15,802.97

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Solution

The fourth proportional to 28,550.64, 39,397.97 and 15,802.97 is: 21,807.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.64 : 39,397.97 = 15,802.97 : x
  2. Step 2: Convert to fraction form
    28,550.64/39,397.97 = 15,802.97/x
  3. Step 3: Cross multiply
    28,550.64x = 39,397.97 × 15,802.97
  4. Step 4: Simplify right side
    28,550.64x = 622,604,780.49
  5. Step 5: Solve for x
    x = 622,604,780.49/28,550.64
  6. Step 6: Final answer
    x = 21,807.03

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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.