Home / 28,562.32-42,852.94-18,020.18

Finding the Fourth Proportional to 28,562.32, 42,852.94 and 18,020.18

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Solution

The fourth proportional to 28,562.32, 42,852.94 and 18,020.18 is: 27,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562.32 : 42,852.94 = 18,020.18 : x
  2. Step 2: Convert to fraction form
    28,562.32/42,852.94 = 18,020.18/x
  3. Step 3: Cross multiply
    28,562.32x = 42,852.94 × 18,020.18
  4. Step 4: Simplify right side
    28,562.32x = 772,217,692.33
  5. Step 5: Solve for x
    x = 772,217,692.33/28,562.32
  6. Step 6: Final answer
    x = 27,036.24

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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.