Home / 21,587.72-32,381.39-6,005.30

Finding the Fourth Proportional to 21,587.72, 32,381.39 and 6,005.30

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Solution

The fourth proportional to 21,587.72, 32,381.39 and 6,005.30 is: 9,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.72 : 32,381.39 = 6,005.30 : x
  2. Step 2: Convert to fraction form
    21,587.72/32,381.39 = 6,005.30/x
  3. Step 3: Cross multiply
    21,587.72x = 32,381.39 × 6,005.30
  4. Step 4: Simplify right side
    21,587.72x = 194,459,769.43
  5. Step 5: Solve for x
    x = 194,459,769.43/21,587.72
  6. Step 6: Final answer
    x = 9,007.89

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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.