Home / 21,249.06-32,000.08-18,508.81

Finding the Fourth Proportional to 21,249.06, 32,000.08 and 18,508.81

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Solution

The fourth proportional to 21,249.06, 32,000.08 and 18,508.81 is: 27,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,249.06 : 32,000.08 = 18,508.81 : x
  2. Step 2: Convert to fraction form
    21,249.06/32,000.08 = 18,508.81/x
  3. Step 3: Cross multiply
    21,249.06x = 32,000.08 × 18,508.81
  4. Step 4: Simplify right side
    21,249.06x = 592,283,459.14
  5. Step 5: Solve for x
    x = 592,283,459.14/21,249.06
  6. Step 6: Final answer
    x = 27,873.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.