Home / 28,084.09-42,069.62-13,307.26

Finding the Fourth Proportional to 28,084.09, 42,069.62 and 13,307.26

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Solution

The fourth proportional to 28,084.09, 42,069.62 and 13,307.26 is: 19,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.09 : 42,069.62 = 13,307.26 : x
  2. Step 2: Convert to fraction form
    28,084.09/42,069.62 = 13,307.26/x
  3. Step 3: Cross multiply
    28,084.09x = 42,069.62 × 13,307.26
  4. Step 4: Simplify right side
    28,084.09x = 559,831,371.44
  5. Step 5: Solve for x
    x = 559,831,371.44/28,084.09
  6. Step 6: Final answer
    x = 19,934.11

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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.