Home / 28,233.72-38,970.18-17,617.08

Finding the Fourth Proportional to 28,233.72, 38,970.18 and 17,617.08

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Solution

The fourth proportional to 28,233.72, 38,970.18 and 17,617.08 is: 24,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.72 : 38,970.18 = 17,617.08 : x
  2. Step 2: Convert to fraction form
    28,233.72/38,970.18 = 17,617.08/x
  3. Step 3: Cross multiply
    28,233.72x = 38,970.18 × 17,617.08
  4. Step 4: Simplify right side
    28,233.72x = 686,540,778.67
  5. Step 5: Solve for x
    x = 686,540,778.67/28,233.72
  6. Step 6: Final answer
    x = 24,316.34

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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.