Home / 26,287.16-39,415.59-17,977.28

Finding the Fourth Proportional to 26,287.16, 39,415.59 and 17,977.28

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Solution

The fourth proportional to 26,287.16, 39,415.59 and 17,977.28 is: 26,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.16 : 39,415.59 = 17,977.28 : x
  2. Step 2: Convert to fraction form
    26,287.16/39,415.59 = 17,977.28/x
  3. Step 3: Cross multiply
    26,287.16x = 39,415.59 × 17,977.28
  4. Step 4: Simplify right side
    26,287.16x = 708,584,900.72
  5. Step 5: Solve for x
    x = 708,584,900.72/26,287.16
  6. Step 6: Final answer
    x = 26,955.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.