Home / 26,146.56-36,079.38-14,815.20

Finding the Fourth Proportional to 26,146.56, 36,079.38 and 14,815.20

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Solution

The fourth proportional to 26,146.56, 36,079.38 and 14,815.20 is: 20,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,146.56 : 36,079.38 = 14,815.20 : x
  2. Step 2: Convert to fraction form
    26,146.56/36,079.38 = 14,815.20/x
  3. Step 3: Cross multiply
    26,146.56x = 36,079.38 × 14,815.20
  4. Step 4: Simplify right side
    26,146.56x = 534,523,230.58
  5. Step 5: Solve for x
    x = 534,523,230.58/26,146.56
  6. Step 6: Final answer
    x = 20,443.35

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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.