Home / 28,888.84-43,340.82-12,249.55

Finding the Fourth Proportional to 28,888.84, 43,340.82 and 12,249.55

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Solution

The fourth proportional to 28,888.84, 43,340.82 and 12,249.55 is: 18,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.84 : 43,340.82 = 12,249.55 : x
  2. Step 2: Convert to fraction form
    28,888.84/43,340.82 = 12,249.55/x
  3. Step 3: Cross multiply
    28,888.84x = 43,340.82 × 12,249.55
  4. Step 4: Simplify right side
    28,888.84x = 530,905,541.63
  5. Step 5: Solve for x
    x = 530,905,541.63/28,888.84
  6. Step 6: Final answer
    x = 18,377.53

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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.