Home / 25,671.96-35,436.72-15,070.48

Finding the Fourth Proportional to 25,671.96, 35,436.72 and 15,070.48

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Solution

The fourth proportional to 25,671.96, 35,436.72 and 15,070.48 is: 20,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671.96 : 35,436.72 = 15,070.48 : x
  2. Step 2: Convert to fraction form
    25,671.96/35,436.72 = 15,070.48/x
  3. Step 3: Cross multiply
    25,671.96x = 35,436.72 × 15,070.48
  4. Step 4: Simplify right side
    25,671.96x = 534,048,380.03
  5. Step 5: Solve for x
    x = 534,048,380.03/25,671.96
  6. Step 6: Final answer
    x = 20,802.79

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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.