Home / 23,785.92-32,828.40-15,426.72

Finding the Fourth Proportional to 23,785.92, 32,828.40 and 15,426.72

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Solution

The fourth proportional to 23,785.92, 32,828.40 and 15,426.72 is: 21,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,785.92 : 32,828.40 = 15,426.72 : x
  2. Step 2: Convert to fraction form
    23,785.92/32,828.40 = 15,426.72/x
  3. Step 3: Cross multiply
    23,785.92x = 32,828.40 × 15,426.72
  4. Step 4: Simplify right side
    23,785.92x = 506,434,534.85
  5. Step 5: Solve for x
    x = 506,434,534.85/23,785.92
  6. Step 6: Final answer
    x = 21,291.36

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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.