Home / 25,235.49-34,824.35-13,904.79

Finding the Fourth Proportional to 25,235.49, 34,824.35 and 13,904.79

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Solution

The fourth proportional to 25,235.49, 34,824.35 and 13,904.79 is: 19,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,235.49 : 34,824.35 = 13,904.79 : x
  2. Step 2: Convert to fraction form
    25,235.49/34,824.35 = 13,904.79/x
  3. Step 3: Cross multiply
    25,235.49x = 34,824.35 × 13,904.79
  4. Step 4: Simplify right side
    25,235.49x = 484,225,204.11
  5. Step 5: Solve for x
    x = 484,225,204.11/25,235.49
  6. Step 6: Final answer
    x = 19,188.26

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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.