Home / 28,079.76-42,032.04-23,880.72

Finding the Fourth Proportional to 28,079.76, 42,032.04 and 23,880.72

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Solution

The fourth proportional to 28,079.76, 42,032.04 and 23,880.72 is: 35,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.76 : 42,032.04 = 23,880.72 : x
  2. Step 2: Convert to fraction form
    28,079.76/42,032.04 = 23,880.72/x
  3. Step 3: Cross multiply
    28,079.76x = 42,032.04 × 23,880.72
  4. Step 4: Simplify right side
    28,079.76x = 1,003,755,378.27
  5. Step 5: Solve for x
    x = 1,003,755,378.27/28,079.76
  6. Step 6: Final answer
    x = 35,746.58

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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.