Home / 42,339.27-63,384.33-28,264.40

Finding the Fourth Proportional to 42,339.27, 63,384.33 and 28,264.40

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Solution

The fourth proportional to 42,339.27, 63,384.33 and 28,264.40 is: 42,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,339.27 : 63,384.33 = 28,264.40 : x
  2. Step 2: Convert to fraction form
    42,339.27/63,384.33 = 28,264.40/x
  3. Step 3: Cross multiply
    42,339.27x = 63,384.33 × 28,264.40
  4. Step 4: Simplify right side
    42,339.27x = 1,791,519,739.93
  5. Step 5: Solve for x
    x = 1,791,519,739.93/42,339.27
  6. Step 6: Final answer
    x = 42,313.43

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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.