Home / 28,717.02-39,631.02-16,787.34

Finding the Fourth Proportional to 28,717.02, 39,631.02 and 16,787.34

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Solution

The fourth proportional to 28,717.02, 39,631.02 and 16,787.34 is: 23,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.02 : 39,631.02 = 16,787.34 : x
  2. Step 2: Convert to fraction form
    28,717.02/39,631.02 = 16,787.34/x
  3. Step 3: Cross multiply
    28,717.02x = 39,631.02 × 16,787.34
  4. Step 4: Simplify right side
    28,717.02x = 665,299,407.29
  5. Step 5: Solve for x
    x = 665,299,407.29/28,717.02
  6. Step 6: Final answer
    x = 23,167.43

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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.