Home / 23,641.78-32,638.99-15,694.87

Finding the Fourth Proportional to 23,641.78, 32,638.99 and 15,694.87

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Solution

The fourth proportional to 23,641.78, 32,638.99 and 15,694.87 is: 21,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,641.78 : 32,638.99 = 15,694.87 : x
  2. Step 2: Convert to fraction form
    23,641.78/32,638.99 = 15,694.87/x
  3. Step 3: Cross multiply
    23,641.78x = 32,638.99 × 15,694.87
  4. Step 4: Simplify right side
    23,641.78x = 512,264,704.98
  5. Step 5: Solve for x
    x = 512,264,704.98/23,641.78
  6. Step 6: Final answer
    x = 21,667.77

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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.