Home / 27,126.16-37,416.54-17,691.28

Finding the Fourth Proportional to 27,126.16, 37,416.54 and 17,691.28

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Solution

The fourth proportional to 27,126.16, 37,416.54 and 17,691.28 is: 24,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.16 : 37,416.54 = 17,691.28 : x
  2. Step 2: Convert to fraction form
    27,126.16/37,416.54 = 17,691.28/x
  3. Step 3: Cross multiply
    27,126.16x = 37,416.54 × 17,691.28
  4. Step 4: Simplify right side
    27,126.16x = 661,946,485.77
  5. Step 5: Solve for x
    x = 661,946,485.77/27,126.16
  6. Step 6: Final answer
    x = 24,402.51

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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.