Home / 28,240.30-38,996.40-17,648.02

Finding the Fourth Proportional to 28,240.30, 38,996.40 and 17,648.02

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Solution

The fourth proportional to 28,240.30, 38,996.40 and 17,648.02 is: 24,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.30 : 38,996.40 = 17,648.02 : x
  2. Step 2: Convert to fraction form
    28,240.30/38,996.40 = 17,648.02/x
  3. Step 3: Cross multiply
    28,240.30x = 38,996.40 × 17,648.02
  4. Step 4: Simplify right side
    28,240.30x = 688,209,247.13
  5. Step 5: Solve for x
    x = 688,209,247.13/28,240.30
  6. Step 6: Final answer
    x = 24,369.76

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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.