Home / 26,011.80-38,989.98-13,519.24

Finding the Fourth Proportional to 26,011.80, 38,989.98 and 13,519.24

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Solution

The fourth proportional to 26,011.80, 38,989.98 and 13,519.24 is: 20,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,011.80 : 38,989.98 = 13,519.24 : x
  2. Step 2: Convert to fraction form
    26,011.80/38,989.98 = 13,519.24/x
  3. Step 3: Cross multiply
    26,011.80x = 38,989.98 × 13,519.24
  4. Step 4: Simplify right side
    26,011.80x = 527,114,799.74
  5. Step 5: Solve for x
    x = 527,114,799.74/26,011.80
  6. Step 6: Final answer
    x = 20,264.45

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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.