Home / 25,289.94-34,898.85-14,109.78

Finding the Fourth Proportional to 25,289.94, 34,898.85 and 14,109.78

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Solution

The fourth proportional to 25,289.94, 34,898.85 and 14,109.78 is: 19,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,289.94 : 34,898.85 = 14,109.78 : x
  2. Step 2: Convert to fraction form
    25,289.94/34,898.85 = 14,109.78/x
  3. Step 3: Cross multiply
    25,289.94x = 34,898.85 × 14,109.78
  4. Step 4: Simplify right side
    25,289.94x = 492,415,095.75
  5. Step 5: Solve for x
    x = 492,415,095.75/25,289.94
  6. Step 6: Final answer
    x = 19,470.79

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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.