Home / 28,053.56-42,089.46-19,628.75

Finding the Fourth Proportional to 28,053.56, 42,089.46 and 19,628.75

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Solution

The fourth proportional to 28,053.56, 42,089.46 and 19,628.75 is: 29,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.56 : 42,089.46 = 19,628.75 : x
  2. Step 2: Convert to fraction form
    28,053.56/42,089.46 = 19,628.75/x
  3. Step 3: Cross multiply
    28,053.56x = 42,089.46 × 19,628.75
  4. Step 4: Simplify right side
    28,053.56x = 826,163,519.59
  5. Step 5: Solve for x
    x = 826,163,519.59/28,053.56
  6. Step 6: Final answer
    x = 29,449.50

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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.