Home / 38,026.55-57,039.18-11,372.60

Finding the Fourth Proportional to 38,026.55, 57,039.18 and 11,372.60

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Solution

The fourth proportional to 38,026.55, 57,039.18 and 11,372.60 is: 17,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,026.55 : 57,039.18 = 11,372.60 : x
  2. Step 2: Convert to fraction form
    38,026.55/57,039.18 = 11,372.60/x
  3. Step 3: Cross multiply
    38,026.55x = 57,039.18 × 11,372.60
  4. Step 4: Simplify right side
    38,026.55x = 648,683,664.52
  5. Step 5: Solve for x
    x = 648,683,664.52/38,026.55
  6. Step 6: Final answer
    x = 17,058.70

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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.