Home / 21,487.99-32,244.75-11,627.05

Finding the Fourth Proportional to 21,487.99, 32,244.75 and 11,627.05

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Solution

The fourth proportional to 21,487.99, 32,244.75 and 11,627.05 is: 17,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487.99 : 32,244.75 = 11,627.05 : x
  2. Step 2: Convert to fraction form
    21,487.99/32,244.75 = 11,627.05/x
  3. Step 3: Cross multiply
    21,487.99x = 32,244.75 × 11,627.05
  4. Step 4: Simplify right side
    21,487.99x = 374,911,320.49
  5. Step 5: Solve for x
    x = 374,911,320.49/21,487.99
  6. Step 6: Final answer
    x = 17,447.48

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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.