Home / 40,161.65-60,279.74-28,928.57

Finding the Fourth Proportional to 40,161.65, 60,279.74 and 28,928.57

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Solution

The fourth proportional to 40,161.65, 60,279.74 and 28,928.57 is: 43,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.65 : 60,279.74 = 28,928.57 : x
  2. Step 2: Convert to fraction form
    40,161.65/60,279.74 = 28,928.57/x
  3. Step 3: Cross multiply
    40,161.65x = 60,279.74 × 28,928.57
  4. Step 4: Simplify right side
    40,161.65x = 1,743,806,678.17
  5. Step 5: Solve for x
    x = 1,743,806,678.17/40,161.65
  6. Step 6: Final answer
    x = 43,419.70

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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.