Home / 27,916.31-38,526.87-15,343.67

Finding the Fourth Proportional to 27,916.31, 38,526.87 and 15,343.67

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Solution

The fourth proportional to 27,916.31, 38,526.87 and 15,343.67 is: 21,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.31 : 38,526.87 = 15,343.67 : x
  2. Step 2: Convert to fraction form
    27,916.31/38,526.87 = 15,343.67/x
  3. Step 3: Cross multiply
    27,916.31x = 38,526.87 × 15,343.67
  4. Step 4: Simplify right side
    27,916.31x = 591,143,386.78
  5. Step 5: Solve for x
    x = 591,143,386.78/27,916.31
  6. Step 6: Final answer
    x = 21,175.56

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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.