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Finding the Fourth Proportional to 56,325.78, 84,477.92 and 16,882.90

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Solution

The fourth proportional to 56,325.78, 84,477.92 and 16,882.90 is: 25,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,325.78 : 84,477.92 = 16,882.90 : x
  2. Step 2: Convert to fraction form
    56,325.78/84,477.92 = 16,882.90/x
  3. Step 3: Cross multiply
    56,325.78x = 84,477.92 × 16,882.90
  4. Step 4: Simplify right side
    56,325.78x = 1,426,232,275.57
  5. Step 5: Solve for x
    x = 1,426,232,275.57/56,325.78
  6. Step 6: Final answer
    x = 25,321.13

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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.