Home / 55,242.34-82,877.43-15,802.78

Finding the Fourth Proportional to 55,242.34, 82,877.43 and 15,802.78

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Solution

The fourth proportional to 55,242.34, 82,877.43 and 15,802.78 is: 23,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,242.34 : 82,877.43 = 15,802.78 : x
  2. Step 2: Convert to fraction form
    55,242.34/82,877.43 = 15,802.78/x
  3. Step 3: Cross multiply
    55,242.34x = 82,877.43 × 15,802.78
  4. Step 4: Simplify right side
    55,242.34x = 1,309,693,793.26
  5. Step 5: Solve for x
    x = 1,309,693,793.26/55,242.34
  6. Step 6: Final answer
    x = 23,708.15

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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.