Home / 19,510.40-29,265.60-17,724.80

Finding the Fourth Proportional to 19,510.40, 29,265.60 and 17,724.80

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Solution

The fourth proportional to 19,510.40, 29,265.60 and 17,724.80 is: 26,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510.40 : 29,265.60 = 17,724.80 : x
  2. Step 2: Convert to fraction form
    19,510.40/29,265.60 = 17,724.80/x
  3. Step 3: Cross multiply
    19,510.40x = 29,265.60 × 17,724.80
  4. Step 4: Simplify right side
    19,510.40x = 518,726,906.88
  5. Step 5: Solve for x
    x = 518,726,906.88/19,510.40
  6. Step 6: Final answer
    x = 26,587.20

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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.