Home / 22,867.57-31,547.23-13,431.88

Finding the Fourth Proportional to 22,867.57, 31,547.23 and 13,431.88

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Solution

The fourth proportional to 22,867.57, 31,547.23 and 13,431.88 is: 18,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,867.57 : 31,547.23 = 13,431.88 : x
  2. Step 2: Convert to fraction form
    22,867.57/31,547.23 = 13,431.88/x
  3. Step 3: Cross multiply
    22,867.57x = 31,547.23 × 13,431.88
  4. Step 4: Simplify right side
    22,867.57x = 423,738,607.69
  5. Step 5: Solve for x
    x = 423,738,607.69/22,867.57
  6. Step 6: Final answer
    x = 18,530.11

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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.