Home / 25,802.09-38,708.60-8,284.22

Finding the Fourth Proportional to 25,802.09, 38,708.60 and 8,284.22

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Solution

The fourth proportional to 25,802.09, 38,708.60 and 8,284.22 is: 12,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,802.09 : 38,708.60 = 8,284.22 : x
  2. Step 2: Convert to fraction form
    25,802.09/38,708.60 = 8,284.22/x
  3. Step 3: Cross multiply
    25,802.09x = 38,708.60 × 8,284.22
  4. Step 4: Simplify right side
    25,802.09x = 320,670,558.29
  5. Step 5: Solve for x
    x = 320,670,558.29/25,802.09
  6. Step 6: Final answer
    x = 12,428.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.