Home / 28,086.46-42,134.01-10,557.52

Finding the Fourth Proportional to 28,086.46, 42,134.01 and 10,557.52

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Solution

The fourth proportional to 28,086.46, 42,134.01 and 10,557.52 is: 15,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086.46 : 42,134.01 = 10,557.52 : x
  2. Step 2: Convert to fraction form
    28,086.46/42,134.01 = 10,557.52/x
  3. Step 3: Cross multiply
    28,086.46x = 42,134.01 × 10,557.52
  4. Step 4: Simplify right side
    28,086.46x = 444,830,653.26
  5. Step 5: Solve for x
    x = 444,830,653.26/28,086.46
  6. Step 6: Final answer
    x = 15,837.90

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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.