Home / 28,118.14-42,176.07-7,056.57

Finding the Fourth Proportional to 28,118.14, 42,176.07 and 7,056.57

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Solution

The fourth proportional to 28,118.14, 42,176.07 and 7,056.57 is: 10,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118.14 : 42,176.07 = 7,056.57 : x
  2. Step 2: Convert to fraction form
    28,118.14/42,176.07 = 7,056.57/x
  3. Step 3: Cross multiply
    28,118.14x = 42,176.07 × 7,056.57
  4. Step 4: Simplify right side
    28,118.14x = 297,618,291.35
  5. Step 5: Solve for x
    x = 297,618,291.35/28,118.14
  6. Step 6: Final answer
    x = 10,584.57

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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.