Home / 25,287.49-34,896.57-13,956.99

Finding the Fourth Proportional to 25,287.49, 34,896.57 and 13,956.99

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Solution

The fourth proportional to 25,287.49, 34,896.57 and 13,956.99 is: 19,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.49 : 34,896.57 = 13,956.99 : x
  2. Step 2: Convert to fraction form
    25,287.49/34,896.57 = 13,956.99/x
  3. Step 3: Cross multiply
    25,287.49x = 34,896.57 × 13,956.99
  4. Step 4: Simplify right side
    25,287.49x = 487,050,834.26
  5. Step 5: Solve for x
    x = 487,050,834.26/25,287.49
  6. Step 6: Final answer
    x = 19,260.54

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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.