Home / 21,511.20-32,275.08-10,417.04

Finding the Fourth Proportional to 21,511.20, 32,275.08 and 10,417.04

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Solution

The fourth proportional to 21,511.20, 32,275.08 and 10,417.04 is: 15,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511.20 : 32,275.08 = 10,417.04 : x
  2. Step 2: Convert to fraction form
    21,511.20/32,275.08 = 10,417.04/x
  3. Step 3: Cross multiply
    21,511.20x = 32,275.08 × 10,417.04
  4. Step 4: Simplify right side
    21,511.20x = 336,210,759.02
  5. Step 5: Solve for x
    x = 336,210,759.02/21,511.20
  6. Step 6: Final answer
    x = 15,629.57

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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.