Home / 26,615.68-36,728.05-15,287.02

Finding the Fourth Proportional to 26,615.68, 36,728.05 and 15,287.02

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Solution

The fourth proportional to 26,615.68, 36,728.05 and 15,287.02 is: 21,095.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.68 : 36,728.05 = 15,287.02 : x
  2. Step 2: Convert to fraction form
    26,615.68/36,728.05 = 15,287.02/x
  3. Step 3: Cross multiply
    26,615.68x = 36,728.05 × 15,287.02
  4. Step 4: Simplify right side
    26,615.68x = 561,462,333.54
  5. Step 5: Solve for x
    x = 561,462,333.54/26,615.68
  6. Step 6: Final answer
    x = 21,095.17

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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.