Home / 21,595.55-32,397.87-12,240.05

Finding the Fourth Proportional to 21,595.55, 32,397.87 and 12,240.05

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Solution

The fourth proportional to 21,595.55, 32,397.87 and 12,240.05 is: 18,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.55 : 32,397.87 = 12,240.05 : x
  2. Step 2: Convert to fraction form
    21,595.55/32,397.87 = 12,240.05/x
  3. Step 3: Cross multiply
    21,595.55x = 32,397.87 × 12,240.05
  4. Step 4: Simplify right side
    21,595.55x = 396,551,548.69
  5. Step 5: Solve for x
    x = 396,551,548.69/21,595.55
  6. Step 6: Final answer
    x = 18,362.65

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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.