Home / 28,248.30-39,007.44-17,656.02

Finding the Fourth Proportional to 28,248.30, 39,007.44 and 17,656.02

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Solution

The fourth proportional to 28,248.30, 39,007.44 and 17,656.02 is: 24,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.30 : 39,007.44 = 17,656.02 : x
  2. Step 2: Convert to fraction form
    28,248.30/39,007.44 = 17,656.02/x
  3. Step 3: Cross multiply
    28,248.30x = 39,007.44 × 17,656.02
  4. Step 4: Simplify right side
    28,248.30x = 688,716,140.79
  5. Step 5: Solve for x
    x = 688,716,140.79/28,248.30
  6. Step 6: Final answer
    x = 24,380.80

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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.