Home / 22,487.80-31,027.98-13,050.76

Finding the Fourth Proportional to 22,487.80, 31,027.98 and 13,050.76

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Solution

The fourth proportional to 22,487.80, 31,027.98 and 13,050.76 is: 18,007.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.80 : 31,027.98 = 13,050.76 : x
  2. Step 2: Convert to fraction form
    22,487.80/31,027.98 = 13,050.76/x
  3. Step 3: Cross multiply
    22,487.80x = 31,027.98 × 13,050.76
  4. Step 4: Simplify right side
    22,487.80x = 404,938,720.26
  5. Step 5: Solve for x
    x = 404,938,720.26/22,487.80
  6. Step 6: Final answer
    x = 18,007.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.