Home / 52,332.64-78,490.24-15,388

Finding the Fourth Proportional to 52,332.64, 78,490.24 and 15,388

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Solution

The fourth proportional to 52,332.64, 78,490.24 and 15,388 is: 23,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,332.64 : 78,490.24 = 15,388 : x
  2. Step 2: Convert to fraction form
    52,332.64/78,490.24 = 15,388/x
  3. Step 3: Cross multiply
    52,332.64x = 78,490.24 × 15,388
  4. Step 4: Simplify right side
    52,332.64x = 1,207,807,813.12
  5. Step 5: Solve for x
    x = 1,207,807,813.12/52,332.64
  6. Step 6: Final answer
    x = 23,079.44

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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.