Home / 25,772.32-38,671.44-19,211.68

Finding the Fourth Proportional to 25,772.32, 38,671.44 and 19,211.68

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Solution

The fourth proportional to 25,772.32, 38,671.44 and 19,211.68 is: 28,827.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,772.32 : 38,671.44 = 19,211.68 : x
  2. Step 2: Convert to fraction form
    25,772.32/38,671.44 = 19,211.68/x
  3. Step 3: Cross multiply
    25,772.32x = 38,671.44 × 19,211.68
  4. Step 4: Simplify right side
    25,772.32x = 742,943,330.42
  5. Step 5: Solve for x
    x = 742,943,330.42/25,772.32
  6. Step 6: Final answer
    x = 28,827.18

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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.