Home / 28,414.02-42,643.05-22,880.91

Finding the Fourth Proportional to 28,414.02, 42,643.05 and 22,880.91

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Solution

The fourth proportional to 28,414.02, 42,643.05 and 22,880.91 is: 34,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.02 : 42,643.05 = 22,880.91 : x
  2. Step 2: Convert to fraction form
    28,414.02/42,643.05 = 22,880.91/x
  3. Step 3: Cross multiply
    28,414.02x = 42,643.05 × 22,880.91
  4. Step 4: Simplify right side
    28,414.02x = 975,711,789.18
  5. Step 5: Solve for x
    x = 975,711,789.18/28,414.02
  6. Step 6: Final answer
    x = 34,339.10

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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.