Home / 28,765.04-39,695.70-16,019.33

Finding the Fourth Proportional to 28,765.04, 39,695.70 and 16,019.33

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Solution

The fourth proportional to 28,765.04, 39,695.70 and 16,019.33 is: 22,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.04 : 39,695.70 = 16,019.33 : x
  2. Step 2: Convert to fraction form
    28,765.04/39,695.70 = 16,019.33/x
  3. Step 3: Cross multiply
    28,765.04x = 39,695.70 × 16,019.33
  4. Step 4: Simplify right side
    28,765.04x = 635,898,617.12
  5. Step 5: Solve for x
    x = 635,898,617.12/28,765.04
  6. Step 6: Final answer
    x = 22,106.65

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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.