Home / 28,379.25-42,503.27-27,395.10

Finding the Fourth Proportional to 28,379.25, 42,503.27 and 27,395.10

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Solution

The fourth proportional to 28,379.25, 42,503.27 and 27,395.10 is: 41,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,379.25 : 42,503.27 = 27,395.10 : x
  2. Step 2: Convert to fraction form
    28,379.25/42,503.27 = 27,395.10/x
  3. Step 3: Cross multiply
    28,379.25x = 42,503.27 × 27,395.10
  4. Step 4: Simplify right side
    28,379.25x = 1,164,381,457.12
  5. Step 5: Solve for x
    x = 1,164,381,457.12/28,379.25
  6. Step 6: Final answer
    x = 41,029.32

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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.