Home / 26,870.56-40,306.73-12,079.52

Finding the Fourth Proportional to 26,870.56, 40,306.73 and 12,079.52

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Solution

The fourth proportional to 26,870.56, 40,306.73 and 12,079.52 is: 18,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.56 : 40,306.73 = 12,079.52 : x
  2. Step 2: Convert to fraction form
    26,870.56/40,306.73 = 12,079.52/x
  3. Step 3: Cross multiply
    26,870.56x = 40,306.73 × 12,079.52
  4. Step 4: Simplify right side
    26,870.56x = 486,885,951.17
  5. Step 5: Solve for x
    x = 486,885,951.17/26,870.56
  6. Step 6: Final answer
    x = 18,119.68

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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.