Home / 20,492.03-28,278.24-11,417.18

Finding the Fourth Proportional to 20,492.03, 28,278.24 and 11,417.18

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Solution

The fourth proportional to 20,492.03, 28,278.24 and 11,417.18 is: 15,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,492.03 : 28,278.24 = 11,417.18 : x
  2. Step 2: Convert to fraction form
    20,492.03/28,278.24 = 11,417.18/x
  3. Step 3: Cross multiply
    20,492.03x = 28,278.24 × 11,417.18
  4. Step 4: Simplify right side
    20,492.03x = 322,857,614.77
  5. Step 5: Solve for x
    x = 322,857,614.77/20,492.03
  6. Step 6: Final answer
    x = 15,755.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.