Home / 28,215.57-42,324.71-23,276.06

Finding the Fourth Proportional to 28,215.57, 42,324.71 and 23,276.06

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Solution

The fourth proportional to 28,215.57, 42,324.71 and 23,276.06 is: 34,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,215.57 : 42,324.71 = 23,276.06 : x
  2. Step 2: Convert to fraction form
    28,215.57/42,324.71 = 23,276.06/x
  3. Step 3: Cross multiply
    28,215.57x = 42,324.71 × 23,276.06
  4. Step 4: Simplify right side
    28,215.57x = 985,152,489.44
  5. Step 5: Solve for x
    x = 985,152,489.44/28,215.57
  6. Step 6: Final answer
    x = 34,915.21

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1.5x scale

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.