Home / 28,603.13-39,473.46-16,667.51

Finding the Fourth Proportional to 28,603.13, 39,473.46 and 16,667.51

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Solution

The fourth proportional to 28,603.13, 39,473.46 and 16,667.51 is: 23,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.13 : 39,473.46 = 16,667.51 : x
  2. Step 2: Convert to fraction form
    28,603.13/39,473.46 = 16,667.51/x
  3. Step 3: Cross multiply
    28,603.13x = 39,473.46 × 16,667.51
  4. Step 4: Simplify right side
    28,603.13x = 657,924,091.92
  5. Step 5: Solve for x
    x = 657,924,091.92/28,603.13
  6. Step 6: Final answer
    x = 23,001.83

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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.