Home / 23,789.30-35,685.09-13,251.40

Finding the Fourth Proportional to 23,789.30, 35,685.09 and 13,251.40

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Solution

The fourth proportional to 23,789.30, 35,685.09 and 13,251.40 is: 19,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,789.30 : 35,685.09 = 13,251.40 : x
  2. Step 2: Convert to fraction form
    23,789.30/35,685.09 = 13,251.40/x
  3. Step 3: Cross multiply
    23,789.30x = 35,685.09 × 13,251.40
  4. Step 4: Simplify right side
    23,789.30x = 472,877,312.41
  5. Step 5: Solve for x
    x = 472,877,312.41/23,789.30
  6. Step 6: Final answer
    x = 19,877.74

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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.