Home / 27,801.04-38,365.32-15,864.52

Finding the Fourth Proportional to 27,801.04, 38,365.32 and 15,864.52

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Solution

The fourth proportional to 27,801.04, 38,365.32 and 15,864.52 is: 21,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.04 : 38,365.32 = 15,864.52 : x
  2. Step 2: Convert to fraction form
    27,801.04/38,365.32 = 15,864.52/x
  3. Step 3: Cross multiply
    27,801.04x = 38,365.32 × 15,864.52
  4. Step 4: Simplify right side
    27,801.04x = 608,647,386.45
  5. Step 5: Solve for x
    x = 608,647,386.45/27,801.04
  6. Step 6: Final answer
    x = 21,892.97

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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.