Home / 29,862.40-44,721.60-15,980.80

Finding the Fourth Proportional to 29,862.40, 44,721.60 and 15,980.80

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Solution

The fourth proportional to 29,862.40, 44,721.60 and 15,980.80 is: 23,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,862.40 : 44,721.60 = 15,980.80 : x
  2. Step 2: Convert to fraction form
    29,862.40/44,721.60 = 15,980.80/x
  3. Step 3: Cross multiply
    29,862.40x = 44,721.60 × 15,980.80
  4. Step 4: Simplify right side
    29,862.40x = 714,686,945.28
  5. Step 5: Solve for x
    x = 714,686,945.28/29,862.40
  6. Step 6: Final answer
    x = 23,932.67

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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.