Home / 21,529.32-32,302.28-7,490.80

Finding the Fourth Proportional to 21,529.32, 32,302.28 and 7,490.80

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Solution

The fourth proportional to 21,529.32, 32,302.28 and 7,490.80 is: 11,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529.32 : 32,302.28 = 7,490.80 : x
  2. Step 2: Convert to fraction form
    21,529.32/32,302.28 = 7,490.80/x
  3. Step 3: Cross multiply
    21,529.32x = 32,302.28 × 7,490.80
  4. Step 4: Simplify right side
    21,529.32x = 241,969,919.02
  5. Step 5: Solve for x
    x = 241,969,919.02/21,529.32
  6. Step 6: Final answer
    x = 11,239.09

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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.