Home / 27,795.61-38,357.95-15,048.79

Finding the Fourth Proportional to 27,795.61, 38,357.95 and 15,048.79

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Solution

The fourth proportional to 27,795.61, 38,357.95 and 15,048.79 is: 20,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.61 : 38,357.95 = 15,048.79 : x
  2. Step 2: Convert to fraction form
    27,795.61/38,357.95 = 15,048.79/x
  3. Step 3: Cross multiply
    27,795.61x = 38,357.95 × 15,048.79
  4. Step 4: Simplify right side
    27,795.61x = 577,240,867.90
  5. Step 5: Solve for x
    x = 577,240,867.90/27,795.61
  6. Step 6: Final answer
    x = 20,767.34

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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.