Home / 28,462.35-42,699.06-10,930.89

Finding the Fourth Proportional to 28,462.35, 42,699.06 and 10,930.89

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Solution

The fourth proportional to 28,462.35, 42,699.06 and 10,930.89 is: 16,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.35 : 42,699.06 = 10,930.89 : x
  2. Step 2: Convert to fraction form
    28,462.35/42,699.06 = 10,930.89/x
  3. Step 3: Cross multiply
    28,462.35x = 42,699.06 × 10,930.89
  4. Step 4: Simplify right side
    28,462.35x = 466,738,727.96
  5. Step 5: Solve for x
    x = 466,738,727.96/28,462.35
  6. Step 6: Final answer
    x = 16,398.46

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1.5x scale

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.