Home / 26,109.05-36,031.10-15,498.72

Finding the Fourth Proportional to 26,109.05, 36,031.10 and 15,498.72

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Solution

The fourth proportional to 26,109.05, 36,031.10 and 15,498.72 is: 21,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.05 : 36,031.10 = 15,498.72 : x
  2. Step 2: Convert to fraction form
    26,109.05/36,031.10 = 15,498.72/x
  3. Step 3: Cross multiply
    26,109.05x = 36,031.10 × 15,498.72
  4. Step 4: Simplify right side
    26,109.05x = 558,435,852.70
  5. Step 5: Solve for x
    x = 558,435,852.70/26,109.05
  6. Step 6: Final answer
    x = 21,388.60

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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.