Home / 25,216.71-34,822.68-15,801.67

Finding the Fourth Proportional to 25,216.71, 34,822.68 and 15,801.67

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Solution

The fourth proportional to 25,216.71, 34,822.68 and 15,801.67 is: 21,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.71 : 34,822.68 = 15,801.67 : x
  2. Step 2: Convert to fraction form
    25,216.71/34,822.68 = 15,801.67/x
  3. Step 3: Cross multiply
    25,216.71x = 34,822.68 × 15,801.67
  4. Step 4: Simplify right side
    25,216.71x = 550,256,418.87
  5. Step 5: Solve for x
    x = 550,256,418.87/25,216.71
  6. Step 6: Final answer
    x = 21,821.11

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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.