Home / 21,335.08-32,001.72-15,103.96

Finding the Fourth Proportional to 21,335.08, 32,001.72 and 15,103.96

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Solution

The fourth proportional to 21,335.08, 32,001.72 and 15,103.96 is: 22,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.08 : 32,001.72 = 15,103.96 : x
  2. Step 2: Convert to fraction form
    21,335.08/32,001.72 = 15,103.96/x
  3. Step 3: Cross multiply
    21,335.08x = 32,001.72 × 15,103.96
  4. Step 4: Simplify right side
    21,335.08x = 483,352,698.81
  5. Step 5: Solve for x
    x = 483,352,698.81/21,335.08
  6. Step 6: Final answer
    x = 22,655.30

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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.