Home / 26,839.39-37,039.64-15,510.40

Finding the Fourth Proportional to 26,839.39, 37,039.64 and 15,510.40

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Solution

The fourth proportional to 26,839.39, 37,039.64 and 15,510.40 is: 21,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,839.39 : 37,039.64 = 15,510.40 : x
  2. Step 2: Convert to fraction form
    26,839.39/37,039.64 = 15,510.40/x
  3. Step 3: Cross multiply
    26,839.39x = 37,039.64 × 15,510.40
  4. Step 4: Simplify right side
    26,839.39x = 574,499,632.26
  5. Step 5: Solve for x
    x = 574,499,632.26/26,839.39
  6. Step 6: Final answer
    x = 21,405.09

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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.