Home / 27,000.18-40,500.30-7,280.70

Finding the Fourth Proportional to 27,000.18, 40,500.30 and 7,280.70

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Solution

The fourth proportional to 27,000.18, 40,500.30 and 7,280.70 is: 10,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,000.18 : 40,500.30 = 7,280.70 : x
  2. Step 2: Convert to fraction form
    27,000.18/40,500.30 = 7,280.70/x
  3. Step 3: Cross multiply
    27,000.18x = 40,500.30 × 7,280.70
  4. Step 4: Simplify right side
    27,000.18x = 294,870,534.21
  5. Step 5: Solve for x
    x = 294,870,534.21/27,000.18
  6. Step 6: Final answer
    x = 10,921.06

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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.