Home / 28,480.21-42,427.92-27,200.83

Finding the Fourth Proportional to 28,480.21, 42,427.92 and 27,200.83

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Solution

The fourth proportional to 28,480.21, 42,427.92 and 27,200.83 is: 40,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,480.21 : 42,427.92 = 27,200.83 : x
  2. Step 2: Convert to fraction form
    28,480.21/42,427.92 = 27,200.83/x
  3. Step 3: Cross multiply
    28,480.21x = 42,427.92 × 27,200.83
  4. Step 4: Simplify right side
    28,480.21x = 1,154,074,639.17
  5. Step 5: Solve for x
    x = 1,154,074,639.17/28,480.21
  6. Step 6: Final answer
    x = 40,521.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.