Home / 27,210.24-40,815.30-9,680.76

Finding the Fourth Proportional to 27,210.24, 40,815.30 and 9,680.76

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Solution

The fourth proportional to 27,210.24, 40,815.30 and 9,680.76 is: 14,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,210.24 : 40,815.30 = 9,680.76 : x
  2. Step 2: Convert to fraction form
    27,210.24/40,815.30 = 9,680.76/x
  3. Step 3: Cross multiply
    27,210.24x = 40,815.30 × 9,680.76
  4. Step 4: Simplify right side
    27,210.24x = 395,123,123.63
  5. Step 5: Solve for x
    x = 395,123,123.63/27,210.24
  6. Step 6: Final answer
    x = 14,521.12

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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.