Home / 27,012.12-37,260.20-17,937.90

Finding the Fourth Proportional to 27,012.12, 37,260.20 and 17,937.90

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Solution

The fourth proportional to 27,012.12, 37,260.20 and 17,937.90 is: 24,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012.12 : 37,260.20 = 17,937.90 : x
  2. Step 2: Convert to fraction form
    27,012.12/37,260.20 = 17,937.90/x
  3. Step 3: Cross multiply
    27,012.12x = 37,260.20 × 17,937.90
  4. Step 4: Simplify right side
    27,012.12x = 668,369,741.58
  5. Step 5: Solve for x
    x = 668,369,741.58/27,012.12
  6. Step 6: Final answer
    x = 24,743.33

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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.