Home / 28,741.37-43,097.47-13,145.63

Finding the Fourth Proportional to 28,741.37, 43,097.47 and 13,145.63

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Solution

The fourth proportional to 28,741.37, 43,097.47 and 13,145.63 is: 19,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.37 : 43,097.47 = 13,145.63 : x
  2. Step 2: Convert to fraction form
    28,741.37/43,097.47 = 13,145.63/x
  3. Step 3: Cross multiply
    28,741.37x = 43,097.47 × 13,145.63
  4. Step 4: Simplify right side
    28,741.37x = 566,543,146.20
  5. Step 5: Solve for x
    x = 566,543,146.20/28,741.37
  6. Step 6: Final answer
    x = 19,711.77

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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.