Home / 26,638.60-39,962.24-9,999.92

Finding the Fourth Proportional to 26,638.60, 39,962.24 and 9,999.92

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Solution

The fourth proportional to 26,638.60, 39,962.24 and 9,999.92 is: 15,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.60 : 39,962.24 = 9,999.92 : x
  2. Step 2: Convert to fraction form
    26,638.60/39,962.24 = 9,999.92/x
  3. Step 3: Cross multiply
    26,638.60x = 39,962.24 × 9,999.92
  4. Step 4: Simplify right side
    26,638.60x = 399,619,203.02
  5. Step 5: Solve for x
    x = 399,619,203.02/26,638.60
  6. Step 6: Final answer
    x = 15,001.51

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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.