Home / 25,277.64-34,886.24-15,211.32

Finding the Fourth Proportional to 25,277.64, 34,886.24 and 15,211.32

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Solution

The fourth proportional to 25,277.64, 34,886.24 and 15,211.32 is: 20,993.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,277.64 : 34,886.24 = 15,211.32 : x
  2. Step 2: Convert to fraction form
    25,277.64/34,886.24 = 15,211.32/x
  3. Step 3: Cross multiply
    25,277.64x = 34,886.24 × 15,211.32
  4. Step 4: Simplify right side
    25,277.64x = 530,665,760.24
  5. Step 5: Solve for x
    x = 530,665,760.24/25,277.64
  6. Step 6: Final answer
    x = 20,993.49

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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.