Home / 21,441.24-32,159.43-8,290.08

Finding the Fourth Proportional to 21,441.24, 32,159.43 and 8,290.08

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Solution

The fourth proportional to 21,441.24, 32,159.43 and 8,290.08 is: 12,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.24 : 32,159.43 = 8,290.08 : x
  2. Step 2: Convert to fraction form
    21,441.24/32,159.43 = 8,290.08/x
  3. Step 3: Cross multiply
    21,441.24x = 32,159.43 × 8,290.08
  4. Step 4: Simplify right side
    21,441.24x = 266,604,247.45
  5. Step 5: Solve for x
    x = 266,604,247.45/21,441.24
  6. Step 6: Final answer
    x = 12,434.18

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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.