Home / 28,468.17-42,728.16-15,152.34

Finding the Fourth Proportional to 28,468.17, 42,728.16 and 15,152.34

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Solution

The fourth proportional to 28,468.17, 42,728.16 and 15,152.34 is: 22,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.17 : 42,728.16 = 15,152.34 : x
  2. Step 2: Convert to fraction form
    28,468.17/42,728.16 = 15,152.34/x
  3. Step 3: Cross multiply
    28,468.17x = 42,728.16 × 15,152.34
  4. Step 4: Simplify right side
    28,468.17x = 647,431,645.78
  5. Step 5: Solve for x
    x = 647,431,645.78/28,468.17
  6. Step 6: Final answer
    x = 22,742.30

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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.