Home / 26,478.68-36,540.34-14,542.20

Finding the Fourth Proportional to 26,478.68, 36,540.34 and 14,542.20

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Solution

The fourth proportional to 26,478.68, 36,540.34 and 14,542.20 is: 20,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.68 : 36,540.34 = 14,542.20 : x
  2. Step 2: Convert to fraction form
    26,478.68/36,540.34 = 14,542.20/x
  3. Step 3: Cross multiply
    26,478.68x = 36,540.34 × 14,542.20
  4. Step 4: Simplify right side
    26,478.68x = 531,376,932.35
  5. Step 5: Solve for x
    x = 531,376,932.35/26,478.68
  6. Step 6: Final answer
    x = 20,068.11

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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.