Home / 28,759.58-43,139.69-10,039.64

Finding the Fourth Proportional to 28,759.58, 43,139.69 and 10,039.64

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Solution

The fourth proportional to 28,759.58, 43,139.69 and 10,039.64 is: 15,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759.58 : 43,139.69 = 10,039.64 : x
  2. Step 2: Convert to fraction form
    28,759.58/43,139.69 = 10,039.64/x
  3. Step 3: Cross multiply
    28,759.58x = 43,139.69 × 10,039.64
  4. Step 4: Simplify right side
    28,759.58x = 433,106,691.41
  5. Step 5: Solve for x
    x = 433,106,691.41/28,759.58
  6. Step 6: Final answer
    x = 15,059.57

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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.