Home / 27,969.40-41,916.84-10,421.56

Finding the Fourth Proportional to 27,969.40, 41,916.84 and 10,421.56

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Solution

The fourth proportional to 27,969.40, 41,916.84 and 10,421.56 is: 15,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,969.40 : 41,916.84 = 10,421.56 : x
  2. Step 2: Convert to fraction form
    27,969.40/41,916.84 = 10,421.56/x
  3. Step 3: Cross multiply
    27,969.40x = 41,916.84 × 10,421.56
  4. Step 4: Simplify right side
    27,969.40x = 436,838,863.07
  5. Step 5: Solve for x
    x = 436,838,863.07/27,969.40
  6. Step 6: Final answer
    x = 15,618.46

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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.