Home / 27,801.53-38,365.38-15,537.03

Finding the Fourth Proportional to 27,801.53, 38,365.38 and 15,537.03

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Solution

The fourth proportional to 27,801.53, 38,365.38 and 15,537.03 is: 21,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.53 : 38,365.38 = 15,537.03 : x
  2. Step 2: Convert to fraction form
    27,801.53/38,365.38 = 15,537.03/x
  3. Step 3: Cross multiply
    27,801.53x = 38,365.38 × 15,537.03
  4. Step 4: Simplify right side
    27,801.53x = 596,084,060.02
  5. Step 5: Solve for x
    x = 596,084,060.02/27,801.53
  6. Step 6: Final answer
    x = 21,440.70

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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.