Home / 27,478.95-37,908.92-16,143.33

Finding the Fourth Proportional to 27,478.95, 37,908.92 and 16,143.33

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Solution

The fourth proportional to 27,478.95, 37,908.92 and 16,143.33 is: 22,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.95 : 37,908.92 = 16,143.33 : x
  2. Step 2: Convert to fraction form
    27,478.95/37,908.92 = 16,143.33/x
  3. Step 3: Cross multiply
    27,478.95x = 37,908.92 × 16,143.33
  4. Step 4: Simplify right side
    27,478.95x = 611,976,124.79
  5. Step 5: Solve for x
    x = 611,976,124.79/27,478.95
  6. Step 6: Final answer
    x = 22,270.72

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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.