Home / 28,975.80-43,362.90-17,297.40

Finding the Fourth Proportional to 28,975.80, 43,362.90 and 17,297.40

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Solution

The fourth proportional to 28,975.80, 43,362.90 and 17,297.40 is: 25,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.80 : 43,362.90 = 17,297.40 : x
  2. Step 2: Convert to fraction form
    28,975.80/43,362.90 = 17,297.40/x
  3. Step 3: Cross multiply
    28,975.80x = 43,362.90 × 17,297.40
  4. Step 4: Simplify right side
    28,975.80x = 750,065,426.46
  5. Step 5: Solve for x
    x = 750,065,426.46/28,975.80
  6. Step 6: Final answer
    x = 25,885.93

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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.