Home / 38,507.07-57,746.03-15,120.75

Finding the Fourth Proportional to 38,507.07, 57,746.03 and 15,120.75

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Solution

The fourth proportional to 38,507.07, 57,746.03 and 15,120.75 is: 22,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,507.07 : 57,746.03 = 15,120.75 : x
  2. Step 2: Convert to fraction form
    38,507.07/57,746.03 = 15,120.75/x
  3. Step 3: Cross multiply
    38,507.07x = 57,746.03 × 15,120.75
  4. Step 4: Simplify right side
    38,507.07x = 873,163,207.52
  5. Step 5: Solve for x
    x = 873,163,207.52/38,507.07
  6. Step 6: Final answer
    x = 22,675.40

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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.