Home / 27,932.84-38,547.37-15,357.59

Finding the Fourth Proportional to 27,932.84, 38,547.37 and 15,357.59

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Solution

The fourth proportional to 27,932.84, 38,547.37 and 15,357.59 is: 21,193.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932.84 : 38,547.37 = 15,357.59 : x
  2. Step 2: Convert to fraction form
    27,932.84/38,547.37 = 15,357.59/x
  3. Step 3: Cross multiply
    27,932.84x = 38,547.37 × 15,357.59
  4. Step 4: Simplify right side
    27,932.84x = 591,994,819.60
  5. Step 5: Solve for x
    x = 591,994,819.60/27,932.84
  6. Step 6: Final answer
    x = 21,193.50

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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.