Home / 18,119.04-25,000.28-17,521.71

Finding the Fourth Proportional to 18,119.04, 25,000.28 and 17,521.71

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Solution

The fourth proportional to 18,119.04, 25,000.28 and 17,521.71 is: 24,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.04 : 25,000.28 = 17,521.71 : x
  2. Step 2: Convert to fraction form
    18,119.04/25,000.28 = 17,521.71/x
  3. Step 3: Cross multiply
    18,119.04x = 25,000.28 × 17,521.71
  4. Step 4: Simplify right side
    18,119.04x = 438,047,568.47
  5. Step 5: Solve for x
    x = 438,047,568.47/18,119.04
  6. Step 6: Final answer
    x = 24,176.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.