Home / 25,639.54-35,385.56-15,029.15

Finding the Fourth Proportional to 25,639.54, 35,385.56 and 15,029.15

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Solution

The fourth proportional to 25,639.54, 35,385.56 and 15,029.15 is: 20,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639.54 : 35,385.56 = 15,029.15 : x
  2. Step 2: Convert to fraction form
    25,639.54/35,385.56 = 15,029.15/x
  3. Step 3: Cross multiply
    25,639.54x = 35,385.56 × 15,029.15
  4. Step 4: Simplify right side
    25,639.54x = 531,814,693.36
  5. Step 5: Solve for x
    x = 531,814,693.36/25,639.54
  6. Step 6: Final answer
    x = 20,741.98

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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.