Home / 25,457.75-35,131.71-14,127.41

Finding the Fourth Proportional to 25,457.75, 35,131.71 and 14,127.41

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Solution

The fourth proportional to 25,457.75, 35,131.71 and 14,127.41 is: 19,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.75 : 35,131.71 = 14,127.41 : x
  2. Step 2: Convert to fraction form
    25,457.75/35,131.71 = 14,127.41/x
  3. Step 3: Cross multiply
    25,457.75x = 35,131.71 × 14,127.41
  4. Step 4: Simplify right side
    25,457.75x = 496,319,895.51
  5. Step 5: Solve for x
    x = 496,319,895.51/25,457.75
  6. Step 6: Final answer
    x = 19,495.83

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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.