Home / 26,108.28-36,031.20-14,777.78

Finding the Fourth Proportional to 26,108.28, 36,031.20 and 14,777.78

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Solution

The fourth proportional to 26,108.28, 36,031.20 and 14,777.78 is: 20,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,108.28 : 36,031.20 = 14,777.78 : x
  2. Step 2: Convert to fraction form
    26,108.28/36,031.20 = 14,777.78/x
  3. Step 3: Cross multiply
    26,108.28x = 36,031.20 × 14,777.78
  4. Step 4: Simplify right side
    26,108.28x = 532,461,146.74
  5. Step 5: Solve for x
    x = 532,461,146.74/26,108.28
  6. Step 6: Final answer
    x = 20,394.34

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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.