Home / 27,595.08-38,081.28-15,658.38

Finding the Fourth Proportional to 27,595.08, 38,081.28 and 15,658.38

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Solution

The fourth proportional to 27,595.08, 38,081.28 and 15,658.38 is: 21,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,595.08 : 38,081.28 = 15,658.38 : x
  2. Step 2: Convert to fraction form
    27,595.08/38,081.28 = 15,658.38/x
  3. Step 3: Cross multiply
    27,595.08x = 38,081.28 × 15,658.38
  4. Step 4: Simplify right side
    27,595.08x = 596,291,153.13
  5. Step 5: Solve for x
    x = 596,291,153.13/27,595.08
  6. Step 6: Final answer
    x = 21,608.60

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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.