Home / 21,570.91-32,346.11-7,529.24

Finding the Fourth Proportional to 21,570.91, 32,346.11 and 7,529.24

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Solution

The fourth proportional to 21,570.91, 32,346.11 and 7,529.24 is: 11,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,570.91 : 32,346.11 = 7,529.24 : x
  2. Step 2: Convert to fraction form
    21,570.91/32,346.11 = 7,529.24/x
  3. Step 3: Cross multiply
    21,570.91x = 32,346.11 × 7,529.24
  4. Step 4: Simplify right side
    21,570.91x = 243,541,724.94
  5. Step 5: Solve for x
    x = 243,541,724.94/21,570.91
  6. Step 6: Final answer
    x = 11,290.29

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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.