Home / 38,839.40-58,220.70-15,434.60

Finding the Fourth Proportional to 38,839.40, 58,220.70 and 15,434.60

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Solution

The fourth proportional to 38,839.40, 58,220.70 and 15,434.60 is: 23,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839.40 : 58,220.70 = 15,434.60 : x
  2. Step 2: Convert to fraction form
    38,839.40/58,220.70 = 15,434.60/x
  3. Step 3: Cross multiply
    38,839.40x = 58,220.70 × 15,434.60
  4. Step 4: Simplify right side
    38,839.40x = 898,613,216.22
  5. Step 5: Solve for x
    x = 898,613,216.22/38,839.40
  6. Step 6: Final answer
    x = 23,136.64

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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.