Home / 26,391.96-36,420.03-15,776.10

Finding the Fourth Proportional to 26,391.96, 36,420.03 and 15,776.10

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Solution

The fourth proportional to 26,391.96, 36,420.03 and 15,776.10 is: 21,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.96 : 36,420.03 = 15,776.10 : x
  2. Step 2: Convert to fraction form
    26,391.96/36,420.03 = 15,776.10/x
  3. Step 3: Cross multiply
    26,391.96x = 36,420.03 × 15,776.10
  4. Step 4: Simplify right side
    26,391.96x = 574,566,035.28
  5. Step 5: Solve for x
    x = 574,566,035.28/26,391.96
  6. Step 6: Final answer
    x = 21,770.50

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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.