Home / 20,254.28-27,951.57-11,302.16

Finding the Fourth Proportional to 20,254.28, 27,951.57 and 11,302.16

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Solution

The fourth proportional to 20,254.28, 27,951.57 and 11,302.16 is: 15,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.28 : 27,951.57 = 11,302.16 : x
  2. Step 2: Convert to fraction form
    20,254.28/27,951.57 = 11,302.16/x
  3. Step 3: Cross multiply
    20,254.28x = 27,951.57 × 11,302.16
  4. Step 4: Simplify right side
    20,254.28x = 315,913,116.39
  5. Step 5: Solve for x
    x = 315,913,116.39/20,254.28
  6. Step 6: Final answer
    x = 15,597.35

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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.