Home / 38,155.40-57,233.10-17,095.40

Finding the Fourth Proportional to 38,155.40, 57,233.10 and 17,095.40

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Solution

The fourth proportional to 38,155.40, 57,233.10 and 17,095.40 is: 25,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,155.40 : 57,233.10 = 17,095.40 : x
  2. Step 2: Convert to fraction form
    38,155.40/57,233.10 = 17,095.40/x
  3. Step 3: Cross multiply
    38,155.40x = 57,233.10 × 17,095.40
  4. Step 4: Simplify right side
    38,155.40x = 978,422,737.74
  5. Step 5: Solve for x
    x = 978,422,737.74/38,155.40
  6. Step 6: Final answer
    x = 25,643.10

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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.