Home / 28,625.28-39,461.09-20,101.65

Finding the Fourth Proportional to 28,625.28, 39,461.09 and 20,101.65

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Solution

The fourth proportional to 28,625.28, 39,461.09 and 20,101.65 is: 27,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,625.28 : 39,461.09 = 20,101.65 : x
  2. Step 2: Convert to fraction form
    28,625.28/39,461.09 = 20,101.65/x
  3. Step 3: Cross multiply
    28,625.28x = 39,461.09 × 20,101.65
  4. Step 4: Simplify right side
    28,625.28x = 793,232,919.29
  5. Step 5: Solve for x
    x = 793,232,919.29/28,625.28
  6. Step 6: Final answer
    x = 27,710.92

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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.