Home / 28,031.45-42,058.38-11,392.79

Finding the Fourth Proportional to 28,031.45, 42,058.38 and 11,392.79

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Solution

The fourth proportional to 28,031.45, 42,058.38 and 11,392.79 is: 17,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031.45 : 42,058.38 = 11,392.79 : x
  2. Step 2: Convert to fraction form
    28,031.45/42,058.38 = 11,392.79/x
  3. Step 3: Cross multiply
    28,031.45x = 42,058.38 × 11,392.79
  4. Step 4: Simplify right side
    28,031.45x = 479,162,195.78
  5. Step 5: Solve for x
    x = 479,162,195.78/28,031.45
  6. Step 6: Final answer
    x = 17,093.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.