Home / 31,432.06-43,376.55-17,285

Finding the Fourth Proportional to 31,432.06, 43,376.55 and 17,285

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Solution

The fourth proportional to 31,432.06, 43,376.55 and 17,285 is: 23,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.06 : 43,376.55 = 17,285 : x
  2. Step 2: Convert to fraction form
    31,432.06/43,376.55 = 17,285/x
  3. Step 3: Cross multiply
    31,432.06x = 43,376.55 × 17,285
  4. Step 4: Simplify right side
    31,432.06x = 749,763,666.75
  5. Step 5: Solve for x
    x = 749,763,666.75/31,432.06
  6. Step 6: Final answer
    x = 23,853.47

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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.