Home / 28,504.84-39,347.64-25,515.40

Finding the Fourth Proportional to 28,504.84, 39,347.64 and 25,515.40

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Solution

The fourth proportional to 28,504.84, 39,347.64 and 25,515.40 is: 35,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.84 : 39,347.64 = 25,515.40 : x
  2. Step 2: Convert to fraction form
    28,504.84/39,347.64 = 25,515.40/x
  3. Step 3: Cross multiply
    28,504.84x = 39,347.64 × 25,515.40
  4. Step 4: Simplify right side
    28,504.84x = 1,003,970,773.66
  5. Step 5: Solve for x
    x = 1,003,970,773.66/28,504.84
  6. Step 6: Final answer
    x = 35,221.06

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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.