Home / 27,007.76-40,510.20-9,479.36

Finding the Fourth Proportional to 27,007.76, 40,510.20 and 9,479.36

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Solution

The fourth proportional to 27,007.76, 40,510.20 and 9,479.36 is: 14,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,007.76 : 40,510.20 = 9,479.36 : x
  2. Step 2: Convert to fraction form
    27,007.76/40,510.20 = 9,479.36/x
  3. Step 3: Cross multiply
    27,007.76x = 40,510.20 × 9,479.36
  4. Step 4: Simplify right side
    27,007.76x = 384,010,769.47
  5. Step 5: Solve for x
    x = 384,010,769.47/27,007.76
  6. Step 6: Final answer
    x = 14,218.53

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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.