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Finding the Fourth Proportional to 27,000.45, 40,482.45 and 14,352.30

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Solution

The fourth proportional to 27,000.45, 40,482.45 and 14,352.30 is: 21,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,000.45 : 40,482.45 = 14,352.30 : x
  2. Step 2: Convert to fraction form
    27,000.45/40,482.45 = 14,352.30/x
  3. Step 3: Cross multiply
    27,000.45x = 40,482.45 × 14,352.30
  4. Step 4: Simplify right side
    27,000.45x = 581,016,267.14
  5. Step 5: Solve for x
    x = 581,016,267.14/27,000.45
  6. Step 6: Final answer
    x = 21,518.76

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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.