Home / 28,461.03-42,693.59-10,930.86

Finding the Fourth Proportional to 28,461.03, 42,693.59 and 10,930.86

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Solution

The fourth proportional to 28,461.03, 42,693.59 and 10,930.86 is: 16,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461.03 : 42,693.59 = 10,930.86 : x
  2. Step 2: Convert to fraction form
    28,461.03/42,693.59 = 10,930.86/x
  3. Step 3: Cross multiply
    28,461.03x = 42,693.59 × 10,930.86
  4. Step 4: Simplify right side
    28,461.03x = 466,677,469.05
  5. Step 5: Solve for x
    x = 466,677,469.05/28,461.03
  6. Step 6: Final answer
    x = 16,397.07

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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.