Home / 30,827.09-42,541.53-17,398.91

Finding the Fourth Proportional to 30,827.09, 42,541.53 and 17,398.91

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Solution

The fourth proportional to 30,827.09, 42,541.53 and 17,398.91 is: 24,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,827.09 : 42,541.53 = 17,398.91 : x
  2. Step 2: Convert to fraction form
    30,827.09/42,541.53 = 17,398.91/x
  3. Step 3: Cross multiply
    30,827.09x = 42,541.53 × 17,398.91
  4. Step 4: Simplify right side
    30,827.09x = 740,176,251.73
  5. Step 5: Solve for x
    x = 740,176,251.73/30,827.09
  6. Step 6: Final answer
    x = 24,010.58

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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.