Home / 40,824.80-61,225.04-15,868.72

Finding the Fourth Proportional to 40,824.80, 61,225.04 and 15,868.72

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Solution

The fourth proportional to 40,824.80, 61,225.04 and 15,868.72 is: 23,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,824.80 : 61,225.04 = 15,868.72 : x
  2. Step 2: Convert to fraction form
    40,824.80/61,225.04 = 15,868.72/x
  3. Step 3: Cross multiply
    40,824.80x = 61,225.04 × 15,868.72
  4. Step 4: Simplify right side
    40,824.80x = 971,563,016.75
  5. Step 5: Solve for x
    x = 971,563,016.75/40,824.80
  6. Step 6: Final answer
    x = 23,798.35

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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.