Home / 22,856.37-31,544.40-12,787.36

Finding the Fourth Proportional to 22,856.37, 31,544.40 and 12,787.36

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Solution

The fourth proportional to 22,856.37, 31,544.40 and 12,787.36 is: 17,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,856.37 : 31,544.40 = 12,787.36 : x
  2. Step 2: Convert to fraction form
    22,856.37/31,544.40 = 12,787.36/x
  3. Step 3: Cross multiply
    22,856.37x = 31,544.40 × 12,787.36
  4. Step 4: Simplify right side
    22,856.37x = 403,369,598.78
  5. Step 5: Solve for x
    x = 403,369,598.78/22,856.37
  6. Step 6: Final answer
    x = 17,648.02

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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.