Home / 26,538.26-36,628.02-15,215.36

Finding the Fourth Proportional to 26,538.26, 36,628.02 and 15,215.36

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Solution

The fourth proportional to 26,538.26, 36,628.02 and 15,215.36 is: 21,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,538.26 : 36,628.02 = 15,215.36 : x
  2. Step 2: Convert to fraction form
    26,538.26/36,628.02 = 15,215.36/x
  3. Step 3: Cross multiply
    26,538.26x = 36,628.02 × 15,215.36
  4. Step 4: Simplify right side
    26,538.26x = 557,308,510.39
  5. Step 5: Solve for x
    x = 557,308,510.39/26,538.26
  6. Step 6: Final answer
    x = 21,000.19

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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.