Home / 16,667.80-25,001.70-15,566.20

Finding the Fourth Proportional to 16,667.80, 25,001.70 and 15,566.20

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Solution

The fourth proportional to 16,667.80, 25,001.70 and 15,566.20 is: 23,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,667.80 : 25,001.70 = 15,566.20 : x
  2. Step 2: Convert to fraction form
    16,667.80/25,001.70 = 15,566.20/x
  3. Step 3: Cross multiply
    16,667.80x = 25,001.70 × 15,566.20
  4. Step 4: Simplify right side
    16,667.80x = 389,181,462.54
  5. Step 5: Solve for x
    x = 389,181,462.54/16,667.80
  6. Step 6: Final answer
    x = 23,349.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.