Home / 28,054.58-42,067.08-9,332.64

Finding the Fourth Proportional to 28,054.58, 42,067.08 and 9,332.64

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Solution

The fourth proportional to 28,054.58, 42,067.08 and 9,332.64 is: 13,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.58 : 42,067.08 = 9,332.64 : x
  2. Step 2: Convert to fraction form
    28,054.58/42,067.08 = 9,332.64/x
  3. Step 3: Cross multiply
    28,054.58x = 42,067.08 × 9,332.64
  4. Step 4: Simplify right side
    28,054.58x = 392,596,913.49
  5. Step 5: Solve for x
    x = 392,596,913.49/28,054.58
  6. Step 6: Final answer
    x = 13,994.04

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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.