Home / 28,054.16-42,087.68-8,332.28

Finding the Fourth Proportional to 28,054.16, 42,087.68 and 8,332.28

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Solution

The fourth proportional to 28,054.16, 42,087.68 and 8,332.28 is: 12,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.16 : 42,087.68 = 8,332.28 : x
  2. Step 2: Convert to fraction form
    28,054.16/42,087.68 = 8,332.28/x
  3. Step 3: Cross multiply
    28,054.16x = 42,087.68 × 8,332.28
  4. Step 4: Simplify right side
    28,054.16x = 350,686,334.31
  5. Step 5: Solve for x
    x = 350,686,334.31/28,054.16
  6. Step 6: Final answer
    x = 12,500.33

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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.