Home / 28,837.84-39,799-17,504.72

Finding the Fourth Proportional to 28,837.84, 39,799 and 17,504.72

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Solution

The fourth proportional to 28,837.84, 39,799 and 17,504.72 is: 24,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.84 : 39,799 = 17,504.72 : x
  2. Step 2: Convert to fraction form
    28,837.84/39,799 = 17,504.72/x
  3. Step 3: Cross multiply
    28,837.84x = 39,799 × 17,504.72
  4. Step 4: Simplify right side
    28,837.84x = 696,670,351.28
  5. Step 5: Solve for x
    x = 696,670,351.28/28,837.84
  6. Step 6: Final answer
    x = 24,158.20

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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.