Home / 27,848.68-38,433.61-15,275.86

Finding the Fourth Proportional to 27,848.68, 38,433.61 and 15,275.86

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Solution

The fourth proportional to 27,848.68, 38,433.61 and 15,275.86 is: 21,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.68 : 38,433.61 = 15,275.86 : x
  2. Step 2: Convert to fraction form
    27,848.68/38,433.61 = 15,275.86/x
  3. Step 3: Cross multiply
    27,848.68x = 38,433.61 × 15,275.86
  4. Step 4: Simplify right side
    27,848.68x = 587,106,509.33
  5. Step 5: Solve for x
    x = 587,106,509.33/27,848.68
  6. Step 6: Final answer
    x = 21,082.02

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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.