Home / 25,238.53-34,828.70-13,909.07

Finding the Fourth Proportional to 25,238.53, 34,828.70 and 13,909.07

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Solution

The fourth proportional to 25,238.53, 34,828.70 and 13,909.07 is: 19,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,238.53 : 34,828.70 = 13,909.07 : x
  2. Step 2: Convert to fraction form
    25,238.53/34,828.70 = 13,909.07/x
  3. Step 3: Cross multiply
    25,238.53x = 34,828.70 × 13,909.07
  4. Step 4: Simplify right side
    25,238.53x = 484,434,756.76
  5. Step 5: Solve for x
    x = 484,434,756.76/25,238.53
  6. Step 6: Final answer
    x = 19,194.26

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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.