Home / 28,737.96-43,091.55-12,712.92

Finding the Fourth Proportional to 28,737.96, 43,091.55 and 12,712.92

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Solution

The fourth proportional to 28,737.96, 43,091.55 and 12,712.92 is: 19,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.96 : 43,091.55 = 12,712.92 : x
  2. Step 2: Convert to fraction form
    28,737.96/43,091.55 = 12,712.92/x
  3. Step 3: Cross multiply
    28,737.96x = 43,091.55 × 12,712.92
  4. Step 4: Simplify right side
    28,737.96x = 547,819,427.83
  5. Step 5: Solve for x
    x = 547,819,427.83/28,737.96
  6. Step 6: Final answer
    x = 19,062.57

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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.