Home / 26,376.15-36,400.10-15,047.49

Finding the Fourth Proportional to 26,376.15, 36,400.10 and 15,047.49

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Solution

The fourth proportional to 26,376.15, 36,400.10 and 15,047.49 is: 20,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,376.15 : 36,400.10 = 15,047.49 : x
  2. Step 2: Convert to fraction form
    26,376.15/36,400.10 = 15,047.49/x
  3. Step 3: Cross multiply
    26,376.15x = 36,400.10 × 15,047.49
  4. Step 4: Simplify right side
    26,376.15x = 547,730,140.75
  5. Step 5: Solve for x
    x = 547,730,140.75/26,376.15
  6. Step 6: Final answer
    x = 20,766.11

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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.