Home / 42,356.64-63,454.76-28,274.20

Finding the Fourth Proportional to 42,356.64, 63,454.76 and 28,274.20

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Solution

The fourth proportional to 42,356.64, 63,454.76 and 28,274.20 is: 42,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,356.64 : 63,454.76 = 28,274.20 : x
  2. Step 2: Convert to fraction form
    42,356.64/63,454.76 = 28,274.20/x
  3. Step 3: Cross multiply
    42,356.64x = 63,454.76 × 28,274.20
  4. Step 4: Simplify right side
    42,356.64x = 1,794,132,575.19
  5. Step 5: Solve for x
    x = 1,794,132,575.19/42,356.64
  6. Step 6: Final answer
    x = 42,357.76

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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.