Home / 22,547.54-31,110-13,600.28

Finding the Fourth Proportional to 22,547.54, 31,110 and 13,600.28

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Solution

The fourth proportional to 22,547.54, 31,110 and 13,600.28 is: 18,765.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,547.54 : 31,110 = 13,600.28 : x
  2. Step 2: Convert to fraction form
    22,547.54/31,110 = 13,600.28/x
  3. Step 3: Cross multiply
    22,547.54x = 31,110 × 13,600.28
  4. Step 4: Simplify right side
    22,547.54x = 423,104,710.80
  5. Step 5: Solve for x
    x = 423,104,710.80/22,547.54
  6. Step 6: Final answer
    x = 18,765.01

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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.