Home / 21,500.08-32,249.28-5,917.28

Finding the Fourth Proportional to 21,500.08, 32,249.28 and 5,917.28

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Solution

The fourth proportional to 21,500.08, 32,249.28 and 5,917.28 is: 8,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,500.08 : 32,249.28 = 5,917.28 : x
  2. Step 2: Convert to fraction form
    21,500.08/32,249.28 = 5,917.28/x
  3. Step 3: Cross multiply
    21,500.08x = 32,249.28 × 5,917.28
  4. Step 4: Simplify right side
    21,500.08x = 190,828,019.56
  5. Step 5: Solve for x
    x = 190,828,019.56/21,500.08
  6. Step 6: Final answer
    x = 8,875.69

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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.