Home / 23,939.24-33,011.65-15,870.09

Finding the Fourth Proportional to 23,939.24, 33,011.65 and 15,870.09

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Solution

The fourth proportional to 23,939.24, 33,011.65 and 15,870.09 is: 21,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,939.24 : 33,011.65 = 15,870.09 : x
  2. Step 2: Convert to fraction form
    23,939.24/33,011.65 = 15,870.09/x
  3. Step 3: Cross multiply
    23,939.24x = 33,011.65 × 15,870.09
  4. Step 4: Simplify right side
    23,939.24x = 523,897,856.55
  5. Step 5: Solve for x
    x = 523,897,856.55/23,939.24
  6. Step 6: Final answer
    x = 21,884.48

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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.