Home / 28,425.01-42,643.68-10,894.86

Finding the Fourth Proportional to 28,425.01, 42,643.68 and 10,894.86

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Solution

The fourth proportional to 28,425.01, 42,643.68 and 10,894.86 is: 16,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425.01 : 42,643.68 = 10,894.86 : x
  2. Step 2: Convert to fraction form
    28,425.01/42,643.68 = 10,894.86/x
  3. Step 3: Cross multiply
    28,425.01x = 42,643.68 × 10,894.86
  4. Step 4: Simplify right side
    28,425.01x = 464,596,923.48
  5. Step 5: Solve for x
    x = 464,596,923.48/28,425.01
  6. Step 6: Final answer
    x = 16,344.65

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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.