Home / 26,268.08-36,261.63-15,661.40

Finding the Fourth Proportional to 26,268.08, 36,261.63 and 15,661.40

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Solution

The fourth proportional to 26,268.08, 36,261.63 and 15,661.40 is: 21,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,268.08 : 36,261.63 = 15,661.40 : x
  2. Step 2: Convert to fraction form
    26,268.08/36,261.63 = 15,661.40/x
  3. Step 3: Cross multiply
    26,268.08x = 36,261.63 × 15,661.40
  4. Step 4: Simplify right side
    26,268.08x = 567,907,710.77
  5. Step 5: Solve for x
    x = 567,907,710.77/26,268.08
  6. Step 6: Final answer
    x = 21,619.69

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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.