Home / 26,326.64-36,331.74-14,390.78

Finding the Fourth Proportional to 26,326.64, 36,331.74 and 14,390.78

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Solution

The fourth proportional to 26,326.64, 36,331.74 and 14,390.78 is: 19,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,326.64 : 36,331.74 = 14,390.78 : x
  2. Step 2: Convert to fraction form
    26,326.64/36,331.74 = 14,390.78/x
  3. Step 3: Cross multiply
    26,326.64x = 36,331.74 × 14,390.78
  4. Step 4: Simplify right side
    26,326.64x = 522,842,077.36
  5. Step 5: Solve for x
    x = 522,842,077.36/26,326.64
  6. Step 6: Final answer
    x = 19,859.81

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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.