Home / 30,827.24-42,541.17-17,215.49

Finding the Fourth Proportional to 30,827.24, 42,541.17 and 17,215.49

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Solution

The fourth proportional to 30,827.24, 42,541.17 and 17,215.49 is: 23,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,827.24 : 42,541.17 = 17,215.49 : x
  2. Step 2: Convert to fraction form
    30,827.24/42,541.17 = 17,215.49/x
  3. Step 3: Cross multiply
    30,827.24x = 42,541.17 × 17,215.49
  4. Step 4: Simplify right side
    30,827.24x = 732,366,874.02
  5. Step 5: Solve for x
    x = 732,366,874.02/30,827.24
  6. Step 6: Final answer
    x = 23,757.14

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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.