Home / 25,326.78-34,950.36-13,995.66

Finding the Fourth Proportional to 25,326.78, 34,950.36 and 13,995.66

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Solution

The fourth proportional to 25,326.78, 34,950.36 and 13,995.66 is: 19,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,326.78 : 34,950.36 = 13,995.66 : x
  2. Step 2: Convert to fraction form
    25,326.78/34,950.36 = 13,995.66/x
  3. Step 3: Cross multiply
    25,326.78x = 34,950.36 × 13,995.66
  4. Step 4: Simplify right side
    25,326.78x = 489,153,355.44
  5. Step 5: Solve for x
    x = 489,153,355.44/25,326.78
  6. Step 6: Final answer
    x = 19,313.68

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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.