Home / 30,827.54-42,542.15-17,399.36

Finding the Fourth Proportional to 30,827.54, 42,542.15 and 17,399.36

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Solution

The fourth proportional to 30,827.54, 42,542.15 and 17,399.36 is: 24,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,827.54 : 42,542.15 = 17,399.36 : x
  2. Step 2: Convert to fraction form
    30,827.54/42,542.15 = 17,399.36/x
  3. Step 3: Cross multiply
    30,827.54x = 42,542.15 × 17,399.36
  4. Step 4: Simplify right side
    30,827.54x = 740,205,883.32
  5. Step 5: Solve for x
    x = 740,205,883.32/30,827.54
  6. Step 6: Final answer
    x = 24,011.19

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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.