Home / 25,771.74-35,636.58-20,457.33

Finding the Fourth Proportional to 25,771.74, 35,636.58 and 20,457.33

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Solution

The fourth proportional to 25,771.74, 35,636.58 and 20,457.33 is: 28,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.74 : 35,636.58 = 20,457.33 : x
  2. Step 2: Convert to fraction form
    25,771.74/35,636.58 = 20,457.33/x
  3. Step 3: Cross multiply
    25,771.74x = 35,636.58 × 20,457.33
  4. Step 4: Simplify right side
    25,771.74x = 729,029,277.13
  5. Step 5: Solve for x
    x = 729,029,277.13/25,771.74
  6. Step 6: Final answer
    x = 28,287.93

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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.