Home / 26,432.32-36,514.56-21,120.16

Finding the Fourth Proportional to 26,432.32, 36,514.56 and 21,120.16

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Solution

The fourth proportional to 26,432.32, 36,514.56 and 21,120.16 is: 29,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,432.32 : 36,514.56 = 21,120.16 : x
  2. Step 2: Convert to fraction form
    26,432.32/36,514.56 = 21,120.16/x
  3. Step 3: Cross multiply
    26,432.32x = 36,514.56 × 21,120.16
  4. Step 4: Simplify right side
    26,432.32x = 771,193,349.53
  5. Step 5: Solve for x
    x = 771,193,349.53/26,432.32
  6. Step 6: Final answer
    x = 29,176.15

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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.