Home / 25,029.31-34,539.98-13,698.58

Finding the Fourth Proportional to 25,029.31, 34,539.98 and 13,698.58

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Solution

The fourth proportional to 25,029.31, 34,539.98 and 13,698.58 is: 18,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,029.31 : 34,539.98 = 13,698.58 : x
  2. Step 2: Convert to fraction form
    25,029.31/34,539.98 = 13,698.58/x
  3. Step 3: Cross multiply
    25,029.31x = 34,539.98 × 13,698.58
  4. Step 4: Simplify right side
    25,029.31x = 473,148,506.53
  5. Step 5: Solve for x
    x = 473,148,506.53/25,029.31
  6. Step 6: Final answer
    x = 18,903.78

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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.