Home / 26,020.98-35,909.65-15,808.54

Finding the Fourth Proportional to 26,020.98, 35,909.65 and 15,808.54

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Solution

The fourth proportional to 26,020.98, 35,909.65 and 15,808.54 is: 21,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,020.98 : 35,909.65 = 15,808.54 : x
  2. Step 2: Convert to fraction form
    26,020.98/35,909.65 = 15,808.54/x
  3. Step 3: Cross multiply
    26,020.98x = 35,909.65 × 15,808.54
  4. Step 4: Simplify right side
    26,020.98x = 567,678,958.86
  5. Step 5: Solve for x
    x = 567,678,958.86/26,020.98
  6. Step 6: Final answer
    x = 21,816.20

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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.