Home / 27,752.63-38,298.56-15,005.79

Finding the Fourth Proportional to 27,752.63, 38,298.56 and 15,005.79

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Solution

The fourth proportional to 27,752.63, 38,298.56 and 15,005.79 is: 20,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,752.63 : 38,298.56 = 15,005.79 : x
  2. Step 2: Convert to fraction form
    27,752.63/38,298.56 = 15,005.79/x
  3. Step 3: Cross multiply
    27,752.63x = 38,298.56 × 15,005.79
  4. Step 4: Simplify right side
    27,752.63x = 574,700,073.63
  5. Step 5: Solve for x
    x = 574,700,073.63/27,752.63
  6. Step 6: Final answer
    x = 20,707.95

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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.