Home / 27,788.58-38,350.37-15,852.18

Finding the Fourth Proportional to 27,788.58, 38,350.37 and 15,852.18

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Solution

The fourth proportional to 27,788.58, 38,350.37 and 15,852.18 is: 21,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.58 : 38,350.37 = 15,852.18 : x
  2. Step 2: Convert to fraction form
    27,788.58/38,350.37 = 15,852.18/x
  3. Step 3: Cross multiply
    27,788.58x = 38,350.37 × 15,852.18
  4. Step 4: Simplify right side
    27,788.58x = 607,936,968.31
  5. Step 5: Solve for x
    x = 607,936,968.31/27,788.58
  6. Step 6: Final answer
    x = 21,877.22

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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.