Home / 38,528.72-57,776.67-15,138.75

Finding the Fourth Proportional to 38,528.72, 57,776.67 and 15,138.75

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Solution

The fourth proportional to 38,528.72, 57,776.67 and 15,138.75 is: 22,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,528.72 : 57,776.67 = 15,138.75 : x
  2. Step 2: Convert to fraction form
    38,528.72/57,776.67 = 15,138.75/x
  3. Step 3: Cross multiply
    38,528.72x = 57,776.67 × 15,138.75
  4. Step 4: Simplify right side
    38,528.72x = 874,666,562.96
  5. Step 5: Solve for x
    x = 874,666,562.96/38,528.72
  6. Step 6: Final answer
    x = 22,701.68

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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.