Home / 21,645.11-32,441.54-10,535.15

Finding the Fourth Proportional to 21,645.11, 32,441.54 and 10,535.15

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Solution

The fourth proportional to 21,645.11, 32,441.54 and 10,535.15 is: 15,790.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645.11 : 32,441.54 = 10,535.15 : x
  2. Step 2: Convert to fraction form
    21,645.11/32,441.54 = 10,535.15/x
  3. Step 3: Cross multiply
    21,645.11x = 32,441.54 × 10,535.15
  4. Step 4: Simplify right side
    21,645.11x = 341,776,275.25
  5. Step 5: Solve for x
    x = 341,776,275.25/21,645.11
  6. Step 6: Final answer
    x = 15,790.00

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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.