Home / 26,218.13-36,174.74-15,314.58

Finding the Fourth Proportional to 26,218.13, 36,174.74 and 15,314.58

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Solution

The fourth proportional to 26,218.13, 36,174.74 and 15,314.58 is: 21,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218.13 : 36,174.74 = 15,314.58 : x
  2. Step 2: Convert to fraction form
    26,218.13/36,174.74 = 15,314.58/x
  3. Step 3: Cross multiply
    26,218.13x = 36,174.74 × 15,314.58
  4. Step 4: Simplify right side
    26,218.13x = 554,000,873.14
  5. Step 5: Solve for x
    x = 554,000,873.14/26,218.13
  6. Step 6: Final answer
    x = 21,130.45

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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.