Home / 25,278.64-34,887.62-15,212.32

Finding the Fourth Proportional to 25,278.64, 34,887.62 and 15,212.32

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Solution

The fourth proportional to 25,278.64, 34,887.62 and 15,212.32 is: 20,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.64 : 34,887.62 = 15,212.32 : x
  2. Step 2: Convert to fraction form
    25,278.64/34,887.62 = 15,212.32/x
  3. Step 3: Cross multiply
    25,278.64x = 34,887.62 × 15,212.32
  4. Step 4: Simplify right side
    25,278.64x = 530,721,639.48
  5. Step 5: Solve for x
    x = 530,721,639.48/25,278.64
  6. Step 6: Final answer
    x = 20,994.87

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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.