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Finding the Fourth Proportional to 21,482.42, 32,209.65 and 9,010.44

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Solution

The fourth proportional to 21,482.42, 32,209.65 and 9,010.44 is: 13,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.42 : 32,209.65 = 9,010.44 : x
  2. Step 2: Convert to fraction form
    21,482.42/32,209.65 = 9,010.44/x
  3. Step 3: Cross multiply
    21,482.42x = 32,209.65 × 9,010.44
  4. Step 4: Simplify right side
    21,482.42x = 290,223,118.75
  5. Step 5: Solve for x
    x = 290,223,118.75/21,482.42
  6. Step 6: Final answer
    x = 13,509.80

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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.