Home / 25,429.32-38,144.16-7,898.76

Finding the Fourth Proportional to 25,429.32, 38,144.16 and 7,898.76

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Solution

The fourth proportional to 25,429.32, 38,144.16 and 7,898.76 is: 11,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.32 : 38,144.16 = 7,898.76 : x
  2. Step 2: Convert to fraction form
    25,429.32/38,144.16 = 7,898.76/x
  3. Step 3: Cross multiply
    25,429.32x = 38,144.16 × 7,898.76
  4. Step 4: Simplify right side
    25,429.32x = 301,291,565.24
  5. Step 5: Solve for x
    x = 301,291,565.24/25,429.32
  6. Step 6: Final answer
    x = 11,848.20

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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.