Home / 27,801.30-38,356.26-15,856.04

Finding the Fourth Proportional to 27,801.30, 38,356.26 and 15,856.04

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Solution

The fourth proportional to 27,801.30, 38,356.26 and 15,856.04 is: 21,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.30 : 38,356.26 = 15,856.04 : x
  2. Step 2: Convert to fraction form
    27,801.30/38,356.26 = 15,856.04/x
  3. Step 3: Cross multiply
    27,801.30x = 38,356.26 × 15,856.04
  4. Step 4: Simplify right side
    27,801.30x = 608,178,392.81
  5. Step 5: Solve for x
    x = 608,178,392.81/27,801.30
  6. Step 6: Final answer
    x = 21,875.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.