Home / 28,562.22-42,853.46-12,765.80

Finding the Fourth Proportional to 28,562.22, 42,853.46 and 12,765.80

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Solution

The fourth proportional to 28,562.22, 42,853.46 and 12,765.80 is: 19,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562.22 : 42,853.46 = 12,765.80 : x
  2. Step 2: Convert to fraction form
    28,562.22/42,853.46 = 12,765.80/x
  3. Step 3: Cross multiply
    28,562.22x = 42,853.46 × 12,765.80
  4. Step 4: Simplify right side
    28,562.22x = 547,058,699.67
  5. Step 5: Solve for x
    x = 547,058,699.67/28,562.22
  6. Step 6: Final answer
    x = 19,153.23

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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.