Home / 28,615.38-42,934.88-15,452.25

Finding the Fourth Proportional to 28,615.38, 42,934.88 and 15,452.25

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Solution

The fourth proportional to 28,615.38, 42,934.88 and 15,452.25 is: 23,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615.38 : 42,934.88 = 15,452.25 : x
  2. Step 2: Convert to fraction form
    28,615.38/42,934.88 = 15,452.25/x
  3. Step 3: Cross multiply
    28,615.38x = 42,934.88 × 15,452.25
  4. Step 4: Simplify right side
    28,615.38x = 663,440,499.48
  5. Step 5: Solve for x
    x = 663,440,499.48/28,615.38
  6. Step 6: Final answer
    x = 23,184.75

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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.