Home / 38,810.40-58,215.60-15,433.80

Finding the Fourth Proportional to 38,810.40, 58,215.60 and 15,433.80

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Solution

The fourth proportional to 38,810.40, 58,215.60 and 15,433.80 is: 23,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,810.40 : 58,215.60 = 15,433.80 : x
  2. Step 2: Convert to fraction form
    38,810.40/58,215.60 = 15,433.80/x
  3. Step 3: Cross multiply
    38,810.40x = 58,215.60 × 15,433.80
  4. Step 4: Simplify right side
    38,810.40x = 898,487,927.28
  5. Step 5: Solve for x
    x = 898,487,927.28/38,810.40
  6. Step 6: Final answer
    x = 23,150.70

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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.