Home / 28,645.57-42,970.66-10,884.74

Finding the Fourth Proportional to 28,645.57, 42,970.66 and 10,884.74

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Solution

The fourth proportional to 28,645.57, 42,970.66 and 10,884.74 is: 16,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.57 : 42,970.66 = 10,884.74 : x
  2. Step 2: Convert to fraction form
    28,645.57/42,970.66 = 10,884.74/x
  3. Step 3: Cross multiply
    28,645.57x = 42,970.66 × 10,884.74
  4. Step 4: Simplify right side
    28,645.57x = 467,724,461.73
  5. Step 5: Solve for x
    x = 467,724,461.73/28,645.57
  6. Step 6: Final answer
    x = 16,327.99

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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.