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Finding the Fourth Proportional to 27,154.80, 40,699.80 and 14,000.40

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Solution

The fourth proportional to 27,154.80, 40,699.80 and 14,000.40 is: 20,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,154.80 : 40,699.80 = 14,000.40 : x
  2. Step 2: Convert to fraction form
    27,154.80/40,699.80 = 14,000.40/x
  3. Step 3: Cross multiply
    27,154.80x = 40,699.80 × 14,000.40
  4. Step 4: Simplify right side
    27,154.80x = 569,813,479.92
  5. Step 5: Solve for x
    x = 569,813,479.92/27,154.80
  6. Step 6: Final answer
    x = 20,983.90

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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.