Home / 26,872.10-40,308.15-10,456.10

Finding the Fourth Proportional to 26,872.10, 40,308.15 and 10,456.10

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Solution

The fourth proportional to 26,872.10, 40,308.15 and 10,456.10 is: 15,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.10 : 40,308.15 = 10,456.10 : x
  2. Step 2: Convert to fraction form
    26,872.10/40,308.15 = 10,456.10/x
  3. Step 3: Cross multiply
    26,872.10x = 40,308.15 × 10,456.10
  4. Step 4: Simplify right side
    26,872.10x = 421,466,047.22
  5. Step 5: Solve for x
    x = 421,466,047.22/26,872.10
  6. Step 6: Final answer
    x = 15,684.15

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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.