Home / 28,956.80-43,386.60-14,133.80

Finding the Fourth Proportional to 28,956.80, 43,386.60 and 14,133.80

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Solution

The fourth proportional to 28,956.80, 43,386.60 and 14,133.80 is: 21,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.80 : 43,386.60 = 14,133.80 : x
  2. Step 2: Convert to fraction form
    28,956.80/43,386.60 = 14,133.80/x
  3. Step 3: Cross multiply
    28,956.80x = 43,386.60 × 14,133.80
  4. Step 4: Simplify right side
    28,956.80x = 613,217,527.08
  5. Step 5: Solve for x
    x = 613,217,527.08/28,956.80
  6. Step 6: Final answer
    x = 21,176.98

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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.