Home / 28,748.34-43,108.02-8,754

Finding the Fourth Proportional to 28,748.34, 43,108.02 and 8,754

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Solution

The fourth proportional to 28,748.34, 43,108.02 and 8,754 is: 13,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.34 : 43,108.02 = 8,754 : x
  2. Step 2: Convert to fraction form
    28,748.34/43,108.02 = 8,754/x
  3. Step 3: Cross multiply
    28,748.34x = 43,108.02 × 8,754
  4. Step 4: Simplify right side
    28,748.34x = 377,367,607.08
  5. Step 5: Solve for x
    x = 377,367,607.08/28,748.34
  6. Step 6: Final answer
    x = 13,126.59

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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.