Home / 28,416.30-39,121.02-27,013.65

Finding the Fourth Proportional to 28,416.30, 39,121.02 and 27,013.65

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Solution

The fourth proportional to 28,416.30, 39,121.02 and 27,013.65 is: 37,189.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.30 : 39,121.02 = 27,013.65 : x
  2. Step 2: Convert to fraction form
    28,416.30/39,121.02 = 27,013.65/x
  3. Step 3: Cross multiply
    28,416.30x = 39,121.02 × 27,013.65
  4. Step 4: Simplify right side
    28,416.30x = 1,056,801,541.92
  5. Step 5: Solve for x
    x = 1,056,801,541.92/28,416.30
  6. Step 6: Final answer
    x = 37,189.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.