Home / 28,645.52-39,522.74-18,574.38

Finding the Fourth Proportional to 28,645.52, 39,522.74 and 18,574.38

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Solution

The fourth proportional to 28,645.52, 39,522.74 and 18,574.38 is: 25,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.52 : 39,522.74 = 18,574.38 : x
  2. Step 2: Convert to fraction form
    28,645.52/39,522.74 = 18,574.38/x
  3. Step 3: Cross multiply
    28,645.52x = 39,522.74 × 18,574.38
  4. Step 4: Simplify right side
    28,645.52x = 734,110,298.53
  5. Step 5: Solve for x
    x = 734,110,298.53/28,645.52
  6. Step 6: Final answer
    x = 25,627.41

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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.