Home / 25,457.76-35,131.93-14,128.02

Finding the Fourth Proportional to 25,457.76, 35,131.93 and 14,128.02

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Solution

The fourth proportional to 25,457.76, 35,131.93 and 14,128.02 is: 19,496.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.76 : 35,131.93 = 14,128.02 : x
  2. Step 2: Convert to fraction form
    25,457.76/35,131.93 = 14,128.02/x
  3. Step 3: Cross multiply
    25,457.76x = 35,131.93 × 14,128.02
  4. Step 4: Simplify right side
    25,457.76x = 496,344,574.36
  5. Step 5: Solve for x
    x = 496,344,574.36/25,457.76
  6. Step 6: Final answer
    x = 19,496.79

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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.