Home / 28,876.84-43,309.80-12,248.68

Finding the Fourth Proportional to 28,876.84, 43,309.80 and 12,248.68

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Solution

The fourth proportional to 28,876.84, 43,309.80 and 12,248.68 is: 18,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.84 : 43,309.80 = 12,248.68 : x
  2. Step 2: Convert to fraction form
    28,876.84/43,309.80 = 12,248.68/x
  3. Step 3: Cross multiply
    28,876.84x = 43,309.80 × 12,248.68
  4. Step 4: Simplify right side
    28,876.84x = 530,487,881.06
  5. Step 5: Solve for x
    x = 530,487,881.06/28,876.84
  6. Step 6: Final answer
    x = 18,370.70

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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.