Home / 27,531.76-37,994.34-15,595.06

Finding the Fourth Proportional to 27,531.76, 37,994.34 and 15,595.06

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Solution

The fourth proportional to 27,531.76, 37,994.34 and 15,595.06 is: 21,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.76 : 37,994.34 = 15,595.06 : x
  2. Step 2: Convert to fraction form
    27,531.76/37,994.34 = 15,595.06/x
  3. Step 3: Cross multiply
    27,531.76x = 37,994.34 × 15,595.06
  4. Step 4: Simplify right side
    27,531.76x = 592,524,011.96
  5. Step 5: Solve for x
    x = 592,524,011.96/27,531.76
  6. Step 6: Final answer
    x = 21,521.47

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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.