Home / 28,244.63-38,961.40-17,615.81

Finding the Fourth Proportional to 28,244.63, 38,961.40 and 17,615.81

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Solution

The fourth proportional to 28,244.63, 38,961.40 and 17,615.81 is: 24,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.63 : 38,961.40 = 17,615.81 : x
  2. Step 2: Convert to fraction form
    28,244.63/38,961.40 = 17,615.81/x
  3. Step 3: Cross multiply
    28,244.63x = 38,961.40 × 17,615.81
  4. Step 4: Simplify right side
    28,244.63x = 686,336,619.73
  5. Step 5: Solve for x
    x = 686,336,619.73/28,244.63
  6. Step 6: Final answer
    x = 24,299.72

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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.