Home / 21,707.08-32,560.70-5,291.08

Finding the Fourth Proportional to 21,707.08, 32,560.70 and 5,291.08

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Solution

The fourth proportional to 21,707.08, 32,560.70 and 5,291.08 is: 7,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,707.08 : 32,560.70 = 5,291.08 : x
  2. Step 2: Convert to fraction form
    21,707.08/32,560.70 = 5,291.08/x
  3. Step 3: Cross multiply
    21,707.08x = 32,560.70 × 5,291.08
  4. Step 4: Simplify right side
    21,707.08x = 172,281,268.56
  5. Step 5: Solve for x
    x = 172,281,268.56/21,707.08
  6. Step 6: Final answer
    x = 7,936.64

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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.