Home / 21,523.70-32,295.28-10,988.28

Finding the Fourth Proportional to 21,523.70, 32,295.28 and 10,988.28

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Solution

The fourth proportional to 21,523.70, 32,295.28 and 10,988.28 is: 16,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.70 : 32,295.28 = 10,988.28 : x
  2. Step 2: Convert to fraction form
    21,523.70/32,295.28 = 10,988.28/x
  3. Step 3: Cross multiply
    21,523.70x = 32,295.28 × 10,988.28
  4. Step 4: Simplify right side
    21,523.70x = 354,869,579.32
  5. Step 5: Solve for x
    x = 354,869,579.32/21,523.70
  6. Step 6: Final answer
    x = 16,487.39

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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.