Home / 28,748.31-43,110.61-10,985.51

Finding the Fourth Proportional to 28,748.31, 43,110.61 and 10,985.51

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Solution

The fourth proportional to 28,748.31, 43,110.61 and 10,985.51 is: 16,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.31 : 43,110.61 = 10,985.51 : x
  2. Step 2: Convert to fraction form
    28,748.31/43,110.61 = 10,985.51/x
  3. Step 3: Cross multiply
    28,748.31x = 43,110.61 × 10,985.51
  4. Step 4: Simplify right side
    28,748.31x = 473,592,037.26
  5. Step 5: Solve for x
    x = 473,592,037.26/28,748.31
  6. Step 6: Final answer
    x = 16,473.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.