Home / 38,031.15-57,032.28-15,228.03

Finding the Fourth Proportional to 38,031.15, 57,032.28 and 15,228.03

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Solution

The fourth proportional to 38,031.15, 57,032.28 and 15,228.03 is: 22,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,031.15 : 57,032.28 = 15,228.03 : x
  2. Step 2: Convert to fraction form
    38,031.15/57,032.28 = 15,228.03/x
  3. Step 3: Cross multiply
    38,031.15x = 57,032.28 × 15,228.03
  4. Step 4: Simplify right side
    38,031.15x = 868,489,270.81
  5. Step 5: Solve for x
    x = 868,489,270.81/38,031.15
  6. Step 6: Final answer
    x = 22,836.26

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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.