Home / 26,405.79-39,550.05-18,895.36

Finding the Fourth Proportional to 26,405.79, 39,550.05 and 18,895.36

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Solution

The fourth proportional to 26,405.79, 39,550.05 and 18,895.36 is: 28,301.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.79 : 39,550.05 = 18,895.36 : x
  2. Step 2: Convert to fraction form
    26,405.79/39,550.05 = 18,895.36/x
  3. Step 3: Cross multiply
    26,405.79x = 39,550.05 × 18,895.36
  4. Step 4: Simplify right side
    26,405.79x = 747,312,432.77
  5. Step 5: Solve for x
    x = 747,312,432.77/26,405.79
  6. Step 6: Final answer
    x = 28,301.08

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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.