Home / 28,555.94-39,401.73-18,482.98

Finding the Fourth Proportional to 28,555.94, 39,401.73 and 18,482.98

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Solution

The fourth proportional to 28,555.94, 39,401.73 and 18,482.98 is: 25,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,555.94 : 39,401.73 = 18,482.98 : x
  2. Step 2: Convert to fraction form
    28,555.94/39,401.73 = 18,482.98/x
  3. Step 3: Cross multiply
    28,555.94x = 39,401.73 × 18,482.98
  4. Step 4: Simplify right side
    28,555.94x = 728,261,318.24
  5. Step 5: Solve for x
    x = 728,261,318.24/28,555.94
  6. Step 6: Final answer
    x = 25,502.97

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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.