Home / 28,799.01-39,726.49-16,860.04

Finding the Fourth Proportional to 28,799.01, 39,726.49 and 16,860.04

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Solution

The fourth proportional to 28,799.01, 39,726.49 and 16,860.04 is: 23,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.01 : 39,726.49 = 16,860.04 : x
  2. Step 2: Convert to fraction form
    28,799.01/39,726.49 = 16,860.04/x
  3. Step 3: Cross multiply
    28,799.01x = 39,726.49 × 16,860.04
  4. Step 4: Simplify right side
    28,799.01x = 669,790,210.46
  5. Step 5: Solve for x
    x = 669,790,210.46/28,799.01
  6. Step 6: Final answer
    x = 23,257.40

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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.