Home / 28,642.08-39,525.33-15,895.22

Finding the Fourth Proportional to 28,642.08, 39,525.33 and 15,895.22

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Solution

The fourth proportional to 28,642.08, 39,525.33 and 15,895.22 is: 21,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642.08 : 39,525.33 = 15,895.22 : x
  2. Step 2: Convert to fraction form
    28,642.08/39,525.33 = 15,895.22/x
  3. Step 3: Cross multiply
    28,642.08x = 39,525.33 × 15,895.22
  4. Step 4: Simplify right side
    28,642.08x = 628,263,618.30
  5. Step 5: Solve for x
    x = 628,263,618.30/28,642.08
  6. Step 6: Final answer
    x = 21,934.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.