Home / 26,358.20-36,387.54-20,376.36

Finding the Fourth Proportional to 26,358.20, 36,387.54 and 20,376.36

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Solution

The fourth proportional to 26,358.20, 36,387.54 and 20,376.36 is: 28,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,358.20 : 36,387.54 = 20,376.36 : x
  2. Step 2: Convert to fraction form
    26,358.20/36,387.54 = 20,376.36/x
  3. Step 3: Cross multiply
    26,358.20x = 36,387.54 × 20,376.36
  4. Step 4: Simplify right side
    26,358.20x = 741,445,614.55
  5. Step 5: Solve for x
    x = 741,445,614.55/26,358.20
  6. Step 6: Final answer
    x = 28,129.60

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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.