Home / 22,742.40-34,139.20-17,571.20

Finding the Fourth Proportional to 22,742.40, 34,139.20 and 17,571.20

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Solution

The fourth proportional to 22,742.40, 34,139.20 and 17,571.20 is: 26,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,742.40 : 34,139.20 = 17,571.20 : x
  2. Step 2: Convert to fraction form
    22,742.40/34,139.20 = 17,571.20/x
  3. Step 3: Cross multiply
    22,742.40x = 34,139.20 × 17,571.20
  4. Step 4: Simplify right side
    22,742.40x = 599,866,711.04
  5. Step 5: Solve for x
    x = 599,866,711.04/22,742.40
  6. Step 6: Final answer
    x = 26,376.58

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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.