Home / 38,580.72-57,868.08-15,207.36

Finding the Fourth Proportional to 38,580.72, 57,868.08 and 15,207.36

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Solution

The fourth proportional to 38,580.72, 57,868.08 and 15,207.36 is: 22,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,580.72 : 57,868.08 = 15,207.36 : x
  2. Step 2: Convert to fraction form
    38,580.72/57,868.08 = 15,207.36/x
  3. Step 3: Cross multiply
    38,580.72x = 57,868.08 × 15,207.36
  4. Step 4: Simplify right side
    38,580.72x = 880,020,725.07
  5. Step 5: Solve for x
    x = 880,020,725.07/38,580.72
  6. Step 6: Final answer
    x = 22,809.86

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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.