Home / 28,089.32-38,731.78-22,968.92

Finding the Fourth Proportional to 28,089.32, 38,731.78 and 22,968.92

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Solution

The fourth proportional to 28,089.32, 38,731.78 and 22,968.92 is: 31,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089.32 : 38,731.78 = 22,968.92 : x
  2. Step 2: Convert to fraction form
    28,089.32/38,731.78 = 22,968.92/x
  3. Step 3: Cross multiply
    28,089.32x = 38,731.78 × 22,968.92
  4. Step 4: Simplify right side
    28,089.32x = 889,627,156.28
  5. Step 5: Solve for x
    x = 889,627,156.28/28,089.32
  6. Step 6: Final answer
    x = 31,671.37

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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.