Home / 26,390.91-36,418.76-15,060.20

Finding the Fourth Proportional to 26,390.91, 36,418.76 and 15,060.20

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Solution

The fourth proportional to 26,390.91, 36,418.76 and 15,060.20 is: 20,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.91 : 36,418.76 = 15,060.20 : x
  2. Step 2: Convert to fraction form
    26,390.91/36,418.76 = 15,060.20/x
  3. Step 3: Cross multiply
    26,390.91x = 36,418.76 × 15,060.20
  4. Step 4: Simplify right side
    26,390.91x = 548,473,881.57
  5. Step 5: Solve for x
    x = 548,473,881.57/26,390.91
  6. Step 6: Final answer
    x = 20,782.68

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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.