Home / 27,498.18-37,947.19-15,398.77

Finding the Fourth Proportional to 27,498.18, 37,947.19 and 15,398.77

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Solution

The fourth proportional to 27,498.18, 37,947.19 and 15,398.77 is: 21,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,498.18 : 37,947.19 = 15,398.77 : x
  2. Step 2: Convert to fraction form
    27,498.18/37,947.19 = 15,398.77/x
  3. Step 3: Cross multiply
    27,498.18x = 37,947.19 × 15,398.77
  4. Step 4: Simplify right side
    27,498.18x = 584,339,973.96
  5. Step 5: Solve for x
    x = 584,339,973.96/27,498.18
  6. Step 6: Final answer
    x = 21,250.14

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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.