Home / 28,052.69-38,699.67-16,715.83

Finding the Fourth Proportional to 28,052.69, 38,699.67 and 16,715.83

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Solution

The fourth proportional to 28,052.69, 38,699.67 and 16,715.83 is: 23,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.69 : 38,699.67 = 16,715.83 : x
  2. Step 2: Convert to fraction form
    28,052.69/38,699.67 = 16,715.83/x
  3. Step 3: Cross multiply
    28,052.69x = 38,699.67 × 16,715.83
  4. Step 4: Simplify right side
    28,052.69x = 646,897,008.03
  5. Step 5: Solve for x
    x = 646,897,008.03/28,052.69
  6. Step 6: Final answer
    x = 23,060.07

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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.