Home / 27,916.84-38,525.61-15,341.50

Finding the Fourth Proportional to 27,916.84, 38,525.61 and 15,341.50

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Solution

The fourth proportional to 27,916.84, 38,525.61 and 15,341.50 is: 21,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.84 : 38,525.61 = 15,341.50 : x
  2. Step 2: Convert to fraction form
    27,916.84/38,525.61 = 15,341.50/x
  3. Step 3: Cross multiply
    27,916.84x = 38,525.61 × 15,341.50
  4. Step 4: Simplify right side
    27,916.84x = 591,040,645.82
  5. Step 5: Solve for x
    x = 591,040,645.82/27,916.84
  6. Step 6: Final answer
    x = 21,171.47

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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.