Home / 25,619.35-35,354.91-14,288.47

Finding the Fourth Proportional to 25,619.35, 35,354.91 and 14,288.47

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Solution

The fourth proportional to 25,619.35, 35,354.91 and 14,288.47 is: 19,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.35 : 35,354.91 = 14,288.47 : x
  2. Step 2: Convert to fraction form
    25,619.35/35,354.91 = 14,288.47/x
  3. Step 3: Cross multiply
    25,619.35x = 35,354.91 × 14,288.47
  4. Step 4: Simplify right side
    25,619.35x = 505,167,322.67
  5. Step 5: Solve for x
    x = 505,167,322.67/25,619.35
  6. Step 6: Final answer
    x = 19,718.20

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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.