Home / 26,255.85-39,389.65-9,615.55

Finding the Fourth Proportional to 26,255.85, 39,389.65 and 9,615.55

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Solution

The fourth proportional to 26,255.85, 39,389.65 and 9,615.55 is: 14,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.85 : 39,389.65 = 9,615.55 : x
  2. Step 2: Convert to fraction form
    26,255.85/39,389.65 = 9,615.55/x
  3. Step 3: Cross multiply
    26,255.85x = 39,389.65 × 9,615.55
  4. Step 4: Simplify right side
    26,255.85x = 378,753,026.54
  5. Step 5: Solve for x
    x = 378,753,026.54/26,255.85
  6. Step 6: Final answer
    x = 14,425.47

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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.