Home / 40,072.92-60,128.28-17,884.32

Finding the Fourth Proportional to 40,072.92, 60,128.28 and 17,884.32

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Solution

The fourth proportional to 40,072.92, 60,128.28 and 17,884.32 is: 26,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072.92 : 60,128.28 = 17,884.32 : x
  2. Step 2: Convert to fraction form
    40,072.92/60,128.28 = 17,884.32/x
  3. Step 3: Cross multiply
    40,072.92x = 60,128.28 × 17,884.32
  4. Step 4: Simplify right side
    40,072.92x = 1,075,353,400.57
  5. Step 5: Solve for x
    x = 1,075,353,400.57/40,072.92
  6. Step 6: Final answer
    x = 26,834.91

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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.