Home / 27,234.10-40,871.40-14,079.70

Finding the Fourth Proportional to 27,234.10, 40,871.40 and 14,079.70

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Solution

The fourth proportional to 27,234.10, 40,871.40 and 14,079.70 is: 21,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,234.10 : 40,871.40 = 14,079.70 : x
  2. Step 2: Convert to fraction form
    27,234.10/40,871.40 = 14,079.70/x
  3. Step 3: Cross multiply
    27,234.10x = 40,871.40 × 14,079.70
  4. Step 4: Simplify right side
    27,234.10x = 575,457,050.58
  5. Step 5: Solve for x
    x = 575,457,050.58/27,234.10
  6. Step 6: Final answer
    x = 21,130.02

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1.5x scale

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.