Home / 19,728.24-29,592.12-5,876.16

Finding the Fourth Proportional to 19,728.24, 29,592.12 and 5,876.16

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Solution

The fourth proportional to 19,728.24, 29,592.12 and 5,876.16 is: 8,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.24 : 29,592.12 = 5,876.16 : x
  2. Step 2: Convert to fraction form
    19,728.24/29,592.12 = 5,876.16/x
  3. Step 3: Cross multiply
    19,728.24x = 29,592.12 × 5,876.16
  4. Step 4: Simplify right side
    19,728.24x = 173,888,031.86
  5. Step 5: Solve for x
    x = 173,888,031.86/19,728.24
  6. Step 6: Final answer
    x = 8,814.17

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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.