Home / 27,810.46-38,377.92-15,235.12

Finding the Fourth Proportional to 27,810.46, 38,377.92 and 15,235.12

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Solution

The fourth proportional to 27,810.46, 38,377.92 and 15,235.12 is: 21,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.46 : 38,377.92 = 15,235.12 : x
  2. Step 2: Convert to fraction form
    27,810.46/38,377.92 = 15,235.12/x
  3. Step 3: Cross multiply
    27,810.46x = 38,377.92 × 15,235.12
  4. Step 4: Simplify right side
    27,810.46x = 584,692,216.55
  5. Step 5: Solve for x
    x = 584,692,216.55/27,810.46
  6. Step 6: Final answer
    x = 21,024.18

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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.