Home / 25,417.32-38,126.16-7,886.76

Finding the Fourth Proportional to 25,417.32, 38,126.16 and 7,886.76

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Solution

The fourth proportional to 25,417.32, 38,126.16 and 7,886.76 is: 11,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.32 : 38,126.16 = 7,886.76 : x
  2. Step 2: Convert to fraction form
    25,417.32/38,126.16 = 7,886.76/x
  3. Step 3: Cross multiply
    25,417.32x = 38,126.16 × 7,886.76
  4. Step 4: Simplify right side
    25,417.32x = 300,691,873.64
  5. Step 5: Solve for x
    x = 300,691,873.64/25,417.32
  6. Step 6: Final answer
    x = 11,830.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.