Home / 21,482.58-32,221.48-6,690.26

Finding the Fourth Proportional to 21,482.58, 32,221.48 and 6,690.26

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Solution

The fourth proportional to 21,482.58, 32,221.48 and 6,690.26 is: 10,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.58 : 32,221.48 = 6,690.26 : x
  2. Step 2: Convert to fraction form
    21,482.58/32,221.48 = 6,690.26/x
  3. Step 3: Cross multiply
    21,482.58x = 32,221.48 × 6,690.26
  4. Step 4: Simplify right side
    21,482.58x = 215,570,095.51
  5. Step 5: Solve for x
    x = 215,570,095.51/21,482.58
  6. Step 6: Final answer
    x = 10,034.65

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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.