Home / 28,035.32-42,043.72-10,261.92

Finding the Fourth Proportional to 28,035.32, 42,043.72 and 10,261.92

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Solution

The fourth proportional to 28,035.32, 42,043.72 and 10,261.92 is: 15,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.32 : 42,043.72 = 10,261.92 : x
  2. Step 2: Convert to fraction form
    28,035.32/42,043.72 = 10,261.92/x
  3. Step 3: Cross multiply
    28,035.32x = 42,043.72 × 10,261.92
  4. Step 4: Simplify right side
    28,035.32x = 431,449,291.14
  5. Step 5: Solve for x
    x = 431,449,291.14/28,035.32
  6. Step 6: Final answer
    x = 15,389.49

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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.