Home / 28,248.38-42,359.25-10,466.78

Finding the Fourth Proportional to 28,248.38, 42,359.25 and 10,466.78

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Solution

The fourth proportional to 28,248.38, 42,359.25 and 10,466.78 is: 15,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.38 : 42,359.25 = 10,466.78 : x
  2. Step 2: Convert to fraction form
    28,248.38/42,359.25 = 10,466.78/x
  3. Step 3: Cross multiply
    28,248.38x = 42,359.25 × 10,466.78
  4. Step 4: Simplify right side
    28,248.38x = 443,364,950.72
  5. Step 5: Solve for x
    x = 443,364,950.72/28,248.38
  6. Step 6: Final answer
    x = 15,695.23

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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.