Home / 22,938.66-31,653.36-12,865.50

Finding the Fourth Proportional to 22,938.66, 31,653.36 and 12,865.50

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Solution

The fourth proportional to 22,938.66, 31,653.36 and 12,865.50 is: 17,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,938.66 : 31,653.36 = 12,865.50 : x
  2. Step 2: Convert to fraction form
    22,938.66/31,653.36 = 12,865.50/x
  3. Step 3: Cross multiply
    22,938.66x = 31,653.36 × 12,865.50
  4. Step 4: Simplify right side
    22,938.66x = 407,236,303.08
  5. Step 5: Solve for x
    x = 407,236,303.08/22,938.66
  6. Step 6: Final answer
    x = 17,753.27

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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.