Home / 38,280.04-57,418.44-13,325.74

Finding the Fourth Proportional to 38,280.04, 57,418.44 and 13,325.74

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Solution

The fourth proportional to 38,280.04, 57,418.44 and 13,325.74 is: 19,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,280.04 : 57,418.44 = 13,325.74 : x
  2. Step 2: Convert to fraction form
    38,280.04/57,418.44 = 13,325.74/x
  3. Step 3: Cross multiply
    38,280.04x = 57,418.44 × 13,325.74
  4. Step 4: Simplify right side
    38,280.04x = 765,143,202.65
  5. Step 5: Solve for x
    x = 765,143,202.65/38,280.04
  6. Step 6: Final answer
    x = 19,988.05

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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.