Home / 23,785.20-32,824.76-13,715.28

Finding the Fourth Proportional to 23,785.20, 32,824.76 and 13,715.28

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Solution

The fourth proportional to 23,785.20, 32,824.76 and 13,715.28 is: 18,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,785.20 : 32,824.76 = 13,715.28 : x
  2. Step 2: Convert to fraction form
    23,785.20/32,824.76 = 13,715.28/x
  3. Step 3: Cross multiply
    23,785.20x = 32,824.76 × 13,715.28
  4. Step 4: Simplify right side
    23,785.20x = 450,200,774.33
  5. Step 5: Solve for x
    x = 450,200,774.33/23,785.20
  6. Step 6: Final answer
    x = 18,927.77

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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.