Home / 28,318.64-39,069.99-17,559.64

Finding the Fourth Proportional to 28,318.64, 39,069.99 and 17,559.64

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Solution

The fourth proportional to 28,318.64, 39,069.99 and 17,559.64 is: 24,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.64 : 39,069.99 = 17,559.64 : x
  2. Step 2: Convert to fraction form
    28,318.64/39,069.99 = 17,559.64/x
  3. Step 3: Cross multiply
    28,318.64x = 39,069.99 × 17,559.64
  4. Step 4: Simplify right side
    28,318.64x = 686,054,738.89
  5. Step 5: Solve for x
    x = 686,054,738.89/28,318.64
  6. Step 6: Final answer
    x = 24,226.26

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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.