Home / 43,516.32-60,031.16-28,402

Finding the Fourth Proportional to 43,516.32, 60,031.16 and 28,402

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Solution

The fourth proportional to 43,516.32, 60,031.16 and 28,402 is: 39,180.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,516.32 : 60,031.16 = 28,402 : x
  2. Step 2: Convert to fraction form
    43,516.32/60,031.16 = 28,402/x
  3. Step 3: Cross multiply
    43,516.32x = 60,031.16 × 28,402
  4. Step 4: Simplify right side
    43,516.32x = 1,705,005,006.32
  5. Step 5: Solve for x
    x = 1,705,005,006.32/43,516.32
  6. Step 6: Final answer
    x = 39,180.82

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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.