Home / 28,064.64-42,104.28-10,534.80

Finding the Fourth Proportional to 28,064.64, 42,104.28 and 10,534.80

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Solution

The fourth proportional to 28,064.64, 42,104.28 and 10,534.80 is: 15,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.64 : 42,104.28 = 10,534.80 : x
  2. Step 2: Convert to fraction form
    28,064.64/42,104.28 = 10,534.80/x
  3. Step 3: Cross multiply
    28,064.64x = 42,104.28 × 10,534.80
  4. Step 4: Simplify right side
    28,064.64x = 443,560,168.94
  5. Step 5: Solve for x
    x = 443,560,168.94/28,064.64
  6. Step 6: Final answer
    x = 15,804.95

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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.