Home / 56,828.79-85,280.85-21,767.13

Finding the Fourth Proportional to 56,828.79, 85,280.85 and 21,767.13

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Solution

The fourth proportional to 56,828.79, 85,280.85 and 21,767.13 is: 32,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,828.79 : 85,280.85 = 21,767.13 : x
  2. Step 2: Convert to fraction form
    56,828.79/85,280.85 = 21,767.13/x
  3. Step 3: Cross multiply
    56,828.79x = 85,280.85 × 21,767.13
  4. Step 4: Simplify right side
    56,828.79x = 1,856,319,348.46
  5. Step 5: Solve for x
    x = 1,856,319,348.46/56,828.79
  6. Step 6: Final answer
    x = 32,665.12

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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.