Home / 28,609.74-39,468.06-18,541.53

Finding the Fourth Proportional to 28,609.74, 39,468.06 and 18,541.53

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Solution

The fourth proportional to 28,609.74, 39,468.06 and 18,541.53 is: 25,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609.74 : 39,468.06 = 18,541.53 : x
  2. Step 2: Convert to fraction form
    28,609.74/39,468.06 = 18,541.53/x
  3. Step 3: Cross multiply
    28,609.74x = 39,468.06 × 18,541.53
  4. Step 4: Simplify right side
    28,609.74x = 731,798,218.53
  5. Step 5: Solve for x
    x = 731,798,218.53/28,609.74
  6. Step 6: Final answer
    x = 25,578.64

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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.