Home / 25,299.30-34,913.58-13,969.51

Finding the Fourth Proportional to 25,299.30, 34,913.58 and 13,969.51

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Solution

The fourth proportional to 25,299.30, 34,913.58 and 13,969.51 is: 19,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.30 : 34,913.58 = 13,969.51 : x
  2. Step 2: Convert to fraction form
    25,299.30/34,913.58 = 13,969.51/x
  3. Step 3: Cross multiply
    25,299.30x = 34,913.58 × 13,969.51
  4. Step 4: Simplify right side
    25,299.30x = 487,725,740.24
  5. Step 5: Solve for x
    x = 487,725,740.24/25,299.30
  6. Step 6: Final answer
    x = 19,278.23

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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.