Home / 27,595.79-38,081.13-15,658.41

Finding the Fourth Proportional to 27,595.79, 38,081.13 and 15,658.41

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Solution

The fourth proportional to 27,595.79, 38,081.13 and 15,658.41 is: 21,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,595.79 : 38,081.13 = 15,658.41 : x
  2. Step 2: Convert to fraction form
    27,595.79/38,081.13 = 15,658.41/x
  3. Step 3: Cross multiply
    27,595.79x = 38,081.13 × 15,658.41
  4. Step 4: Simplify right side
    27,595.79x = 596,289,888.08
  5. Step 5: Solve for x
    x = 596,289,888.08/27,595.79
  6. Step 6: Final answer
    x = 21,608.01

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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.