Home / 38,357.40-57,501.90-14,978.40

Finding the Fourth Proportional to 38,357.40, 57,501.90 and 14,978.40

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Solution

The fourth proportional to 38,357.40, 57,501.90 and 14,978.40 is: 22,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,357.40 : 57,501.90 = 14,978.40 : x
  2. Step 2: Convert to fraction form
    38,357.40/57,501.90 = 14,978.40/x
  3. Step 3: Cross multiply
    38,357.40x = 57,501.90 × 14,978.40
  4. Step 4: Simplify right side
    38,357.40x = 861,286,458.96
  5. Step 5: Solve for x
    x = 861,286,458.96/38,357.40
  6. Step 6: Final answer
    x = 22,454.25

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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.