Home / 26,326.32-39,426.36-19,191.48

Finding the Fourth Proportional to 26,326.32, 39,426.36 and 19,191.48

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Solution

The fourth proportional to 26,326.32, 39,426.36 and 19,191.48 is: 28,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,326.32 : 39,426.36 = 19,191.48 : x
  2. Step 2: Convert to fraction form
    26,326.32/39,426.36 = 19,191.48/x
  3. Step 3: Cross multiply
    26,326.32x = 39,426.36 × 19,191.48
  4. Step 4: Simplify right side
    26,326.32x = 756,650,199.41
  5. Step 5: Solve for x
    x = 756,650,199.41/26,326.32
  6. Step 6: Final answer
    x = 28,741.21

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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.