Home / 25,172.71-34,738.74-13,842.70

Finding the Fourth Proportional to 25,172.71, 34,738.74 and 13,842.70

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Solution

The fourth proportional to 25,172.71, 34,738.74 and 13,842.70 is: 19,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.71 : 34,738.74 = 13,842.70 : x
  2. Step 2: Convert to fraction form
    25,172.71/34,738.74 = 13,842.70/x
  3. Step 3: Cross multiply
    25,172.71x = 34,738.74 × 13,842.70
  4. Step 4: Simplify right side
    25,172.71x = 480,877,956.20
  5. Step 5: Solve for x
    x = 480,877,956.20/25,172.71
  6. Step 6: Final answer
    x = 19,103.15

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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.