Home / 25,828.24-38,680.84-17,938.63

Finding the Fourth Proportional to 25,828.24, 38,680.84 and 17,938.63

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Solution

The fourth proportional to 25,828.24, 38,680.84 and 17,938.63 is: 26,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,828.24 : 38,680.84 = 17,938.63 : x
  2. Step 2: Convert to fraction form
    25,828.24/38,680.84 = 17,938.63/x
  3. Step 3: Cross multiply
    25,828.24x = 38,680.84 × 17,938.63
  4. Step 4: Simplify right side
    25,828.24x = 693,881,276.85
  5. Step 5: Solve for x
    x = 693,881,276.85/25,828.24
  6. Step 6: Final answer
    x = 26,865.22

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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.