Home / 25,300.52-34,913.80-13,969.77

Finding the Fourth Proportional to 25,300.52, 34,913.80 and 13,969.77

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Solution

The fourth proportional to 25,300.52, 34,913.80 and 13,969.77 is: 19,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,300.52 : 34,913.80 = 13,969.77 : x
  2. Step 2: Convert to fraction form
    25,300.52/34,913.80 = 13,969.77/x
  3. Step 3: Cross multiply
    25,300.52x = 34,913.80 × 13,969.77
  4. Step 4: Simplify right side
    25,300.52x = 487,737,755.83
  5. Step 5: Solve for x
    x = 487,737,755.83/25,300.52
  6. Step 6: Final answer
    x = 19,277.78

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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.