Home / 27,916.58-41,877-10,386.56

Finding the Fourth Proportional to 27,916.58, 41,877 and 10,386.56

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Solution

The fourth proportional to 27,916.58, 41,877 and 10,386.56 is: 15,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.58 : 41,877 = 10,386.56 : x
  2. Step 2: Convert to fraction form
    27,916.58/41,877 = 10,386.56/x
  3. Step 3: Cross multiply
    27,916.58x = 41,877 × 10,386.56
  4. Step 4: Simplify right side
    27,916.58x = 434,958,077.81
  5. Step 5: Solve for x
    x = 434,958,077.81/27,916.58
  6. Step 6: Final answer
    x = 15,580.63

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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.