Home / 28,364.10-39,141.80-17,759.58

Finding the Fourth Proportional to 28,364.10, 39,141.80 and 17,759.58

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Solution

The fourth proportional to 28,364.10, 39,141.80 and 17,759.58 is: 24,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.10 : 39,141.80 = 17,759.58 : x
  2. Step 2: Convert to fraction form
    28,364.10/39,141.80 = 17,759.58/x
  3. Step 3: Cross multiply
    28,364.10x = 39,141.80 × 17,759.58
  4. Step 4: Simplify right side
    28,364.10x = 695,141,928.44
  5. Step 5: Solve for x
    x = 695,141,928.44/28,364.10
  6. Step 6: Final answer
    x = 24,507.81

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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.