Home / 26,235.80-36,223.55-21,222.10

Finding the Fourth Proportional to 26,235.80, 36,223.55 and 21,222.10

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Solution

The fourth proportional to 26,235.80, 36,223.55 and 21,222.10 is: 29,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,235.80 : 36,223.55 = 21,222.10 : x
  2. Step 2: Convert to fraction form
    26,235.80/36,223.55 = 21,222.10/x
  3. Step 3: Cross multiply
    26,235.80x = 36,223.55 × 21,222.10
  4. Step 4: Simplify right side
    26,235.80x = 768,739,938.58
  5. Step 5: Solve for x
    x = 768,739,938.58/26,235.80
  6. Step 6: Final answer
    x = 29,301.18

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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.