Home / 27,950.17-38,570.43-15,374.92

Finding the Fourth Proportional to 27,950.17, 38,570.43 and 15,374.92

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Solution

The fourth proportional to 27,950.17, 38,570.43 and 15,374.92 is: 21,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,950.17 : 38,570.43 = 15,374.92 : x
  2. Step 2: Convert to fraction form
    27,950.17/38,570.43 = 15,374.92/x
  3. Step 3: Cross multiply
    27,950.17x = 38,570.43 × 15,374.92
  4. Step 4: Simplify right side
    27,950.17x = 593,017,275.62
  5. Step 5: Solve for x
    x = 593,017,275.62/27,950.17
  6. Step 6: Final answer
    x = 21,216.95

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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.