Home / 25,289.68-34,900.48-13,959.84

Finding the Fourth Proportional to 25,289.68, 34,900.48 and 13,959.84

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Solution

The fourth proportional to 25,289.68, 34,900.48 and 13,959.84 is: 19,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,289.68 : 34,900.48 = 13,959.84 : x
  2. Step 2: Convert to fraction form
    25,289.68/34,900.48 = 13,959.84/x
  3. Step 3: Cross multiply
    25,289.68x = 34,900.48 × 13,959.84
  4. Step 4: Simplify right side
    25,289.68x = 487,205,116.72
  5. Step 5: Solve for x
    x = 487,205,116.72/25,289.68
  6. Step 6: Final answer
    x = 19,264.98

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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.