Home / 28,349.74-39,124.56-18,773.11

Finding the Fourth Proportional to 28,349.74, 39,124.56 and 18,773.11

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Solution

The fourth proportional to 28,349.74, 39,124.56 and 18,773.11 is: 25,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,349.74 : 39,124.56 = 18,773.11 : x
  2. Step 2: Convert to fraction form
    28,349.74/39,124.56 = 18,773.11/x
  3. Step 3: Cross multiply
    28,349.74x = 39,124.56 × 18,773.11
  4. Step 4: Simplify right side
    28,349.74x = 734,489,668.58
  5. Step 5: Solve for x
    x = 734,489,668.58/28,349.74
  6. Step 6: Final answer
    x = 25,908.16

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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.