Home / 16,721.28-25,082.64-5,627.52

Finding the Fourth Proportional to 16,721.28, 25,082.64 and 5,627.52

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Solution

The fourth proportional to 16,721.28, 25,082.64 and 5,627.52 is: 8,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.28 : 25,082.64 = 5,627.52 : x
  2. Step 2: Convert to fraction form
    16,721.28/25,082.64 = 5,627.52/x
  3. Step 3: Cross multiply
    16,721.28x = 25,082.64 × 5,627.52
  4. Step 4: Simplify right side
    16,721.28x = 141,153,058.25
  5. Step 5: Solve for x
    x = 141,153,058.25/16,721.28
  6. Step 6: Final answer
    x = 8,441.52

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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.