Home / 27,603.57-38,090.28-15,501.27

Finding the Fourth Proportional to 27,603.57, 38,090.28 and 15,501.27

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Solution

The fourth proportional to 27,603.57, 38,090.28 and 15,501.27 is: 21,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.57 : 38,090.28 = 15,501.27 : x
  2. Step 2: Convert to fraction form
    27,603.57/38,090.28 = 15,501.27/x
  3. Step 3: Cross multiply
    27,603.57x = 38,090.28 × 15,501.27
  4. Step 4: Simplify right side
    27,603.57x = 590,447,714.66
  5. Step 5: Solve for x
    x = 590,447,714.66/27,603.57
  6. Step 6: Final answer
    x = 21,390.27

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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.