Home / 25,278.99-34,886.73-14,668.62

Finding the Fourth Proportional to 25,278.99, 34,886.73 and 14,668.62

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Solution

The fourth proportional to 25,278.99, 34,886.73 and 14,668.62 is: 20,243.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.99 : 34,886.73 = 14,668.62 : x
  2. Step 2: Convert to fraction form
    25,278.99/34,886.73 = 14,668.62/x
  3. Step 3: Cross multiply
    25,278.99x = 34,886.73 × 14,668.62
  4. Step 4: Simplify right side
    25,278.99x = 511,740,185.41
  5. Step 5: Solve for x
    x = 511,740,185.41/25,278.99
  6. Step 6: Final answer
    x = 20,243.70

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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.