Home / 28,830.91-39,775.11-17,496.22

Finding the Fourth Proportional to 28,830.91, 39,775.11 and 17,496.22

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Solution

The fourth proportional to 28,830.91, 39,775.11 and 17,496.22 is: 24,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,830.91 : 39,775.11 = 17,496.22 : x
  2. Step 2: Convert to fraction form
    28,830.91/39,775.11 = 17,496.22/x
  3. Step 3: Cross multiply
    28,830.91x = 39,775.11 × 17,496.22
  4. Step 4: Simplify right side
    28,830.91x = 695,914,075.08
  5. Step 5: Solve for x
    x = 695,914,075.08/28,830.91
  6. Step 6: Final answer
    x = 24,137.78

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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.