Home / 25,108.74-34,648.90-13,777.95

Finding the Fourth Proportional to 25,108.74, 34,648.90 and 13,777.95

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Solution

The fourth proportional to 25,108.74, 34,648.90 and 13,777.95 is: 19,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.74 : 34,648.90 = 13,777.95 : x
  2. Step 2: Convert to fraction form
    25,108.74/34,648.90 = 13,777.95/x
  3. Step 3: Cross multiply
    25,108.74x = 34,648.90 × 13,777.95
  4. Step 4: Simplify right side
    25,108.74x = 477,390,907.24
  5. Step 5: Solve for x
    x = 477,390,907.24/25,108.74
  6. Step 6: Final answer
    x = 19,012.94

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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.