Home / 38,568.90-57,857.60-12,267.50

Finding the Fourth Proportional to 38,568.90, 57,857.60 and 12,267.50

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Solution

The fourth proportional to 38,568.90, 57,857.60 and 12,267.50 is: 18,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568.90 : 57,857.60 = 12,267.50 : x
  2. Step 2: Convert to fraction form
    38,568.90/57,857.60 = 12,267.50/x
  3. Step 3: Cross multiply
    38,568.90x = 57,857.60 × 12,267.50
  4. Step 4: Simplify right side
    38,568.90x = 709,767,849.38
  5. Step 5: Solve for x
    x = 709,767,849.38/38,568.90
  6. Step 6: Final answer
    x = 18,402.60

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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.