Home / 30,827.22-42,541.70-17,399.04

Finding the Fourth Proportional to 30,827.22, 42,541.70 and 17,399.04

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Solution

The fourth proportional to 30,827.22, 42,541.70 and 17,399.04 is: 24,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,827.22 : 42,541.70 = 17,399.04 : x
  2. Step 2: Convert to fraction form
    30,827.22/42,541.70 = 17,399.04/x
  3. Step 3: Cross multiply
    30,827.22x = 42,541.70 × 17,399.04
  4. Step 4: Simplify right side
    30,827.22x = 740,184,739.97
  5. Step 5: Solve for x
    x = 740,184,739.97/30,827.22
  6. Step 6: Final answer
    x = 24,010.75

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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.