Home / 28,100.28-38,761.02-23,551.32

Finding the Fourth Proportional to 28,100.28, 38,761.02 and 23,551.32

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Solution

The fourth proportional to 28,100.28, 38,761.02 and 23,551.32 is: 32,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,100.28 : 38,761.02 = 23,551.32 : x
  2. Step 2: Convert to fraction form
    28,100.28/38,761.02 = 23,551.32/x
  3. Step 3: Cross multiply
    28,100.28x = 38,761.02 × 23,551.32
  4. Step 4: Simplify right side
    28,100.28x = 912,873,185.55
  5. Step 5: Solve for x
    x = 912,873,185.55/28,100.28
  6. Step 6: Final answer
    x = 32,486.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.