Home / 25,349.78-34,981.30-14,018.62

Finding the Fourth Proportional to 25,349.78, 34,981.30 and 14,018.62

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Solution

The fourth proportional to 25,349.78, 34,981.30 and 14,018.62 is: 19,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,349.78 : 34,981.30 = 14,018.62 : x
  2. Step 2: Convert to fraction form
    25,349.78/34,981.30 = 14,018.62/x
  3. Step 3: Cross multiply
    25,349.78x = 34,981.30 × 14,018.62
  4. Step 4: Simplify right side
    25,349.78x = 490,389,551.81
  5. Step 5: Solve for x
    x = 490,389,551.81/25,349.78
  6. Step 6: Final answer
    x = 19,344.92

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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.