Home / 28,036.62-42,059.39-10,507.77

Finding the Fourth Proportional to 28,036.62, 42,059.39 and 10,507.77

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Solution

The fourth proportional to 28,036.62, 42,059.39 and 10,507.77 is: 15,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.62 : 42,059.39 = 10,507.77 : x
  2. Step 2: Convert to fraction form
    28,036.62/42,059.39 = 10,507.77/x
  3. Step 3: Cross multiply
    28,036.62x = 42,059.39 × 10,507.77
  4. Step 4: Simplify right side
    28,036.62x = 441,950,343.92
  5. Step 5: Solve for x
    x = 441,950,343.92/28,036.62
  6. Step 6: Final answer
    x = 15,763.32

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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.