Home / 28,365.68-42,574.74-14,335.56

Finding the Fourth Proportional to 28,365.68, 42,574.74 and 14,335.56

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Solution

The fourth proportional to 28,365.68, 42,574.74 and 14,335.56 is: 21,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365.68 : 42,574.74 = 14,335.56 : x
  2. Step 2: Convert to fraction form
    28,365.68/42,574.74 = 14,335.56/x
  3. Step 3: Cross multiply
    28,365.68x = 42,574.74 × 14,335.56
  4. Step 4: Simplify right side
    28,365.68x = 610,332,739.75
  5. Step 5: Solve for x
    x = 610,332,739.75/28,365.68
  6. Step 6: Final answer
    x = 21,516.59

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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.