Home / 27,551.95-38,023.22-15,453.18

Finding the Fourth Proportional to 27,551.95, 38,023.22 and 15,453.18

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Solution

The fourth proportional to 27,551.95, 38,023.22 and 15,453.18 is: 21,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,551.95 : 38,023.22 = 15,453.18 : x
  2. Step 2: Convert to fraction form
    27,551.95/38,023.22 = 15,453.18/x
  3. Step 3: Cross multiply
    27,551.95x = 38,023.22 × 15,453.18
  4. Step 4: Simplify right side
    27,551.95x = 587,579,701.47
  5. Step 5: Solve for x
    x = 587,579,701.47/27,551.95
  6. Step 6: Final answer
    x = 21,326.25

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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.