Home / 28,076.13-42,101.88-10,533.66

Finding the Fourth Proportional to 28,076.13, 42,101.88 and 10,533.66

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Solution

The fourth proportional to 28,076.13, 42,101.88 and 10,533.66 is: 15,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.13 : 42,101.88 = 10,533.66 : x
  2. Step 2: Convert to fraction form
    28,076.13/42,101.88 = 10,533.66/x
  3. Step 3: Cross multiply
    28,076.13x = 42,101.88 × 10,533.66
  4. Step 4: Simplify right side
    28,076.13x = 443,486,889.28
  5. Step 5: Solve for x
    x = 443,486,889.28/28,076.13
  6. Step 6: Final answer
    x = 15,795.87

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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.