Home / 26,739.32-36,909.98-15,561.32

Finding the Fourth Proportional to 26,739.32, 36,909.98 and 15,561.32

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Solution

The fourth proportional to 26,739.32, 36,909.98 and 15,561.32 is: 21,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,739.32 : 36,909.98 = 15,561.32 : x
  2. Step 2: Convert to fraction form
    26,739.32/36,909.98 = 15,561.32/x
  3. Step 3: Cross multiply
    26,739.32x = 36,909.98 × 15,561.32
  4. Step 4: Simplify right side
    26,739.32x = 574,368,009.97
  5. Step 5: Solve for x
    x = 574,368,009.97/26,739.32
  6. Step 6: Final answer
    x = 21,480.28

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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.