Home / 28,559.98-42,850.22-12,763.70

Finding the Fourth Proportional to 28,559.98, 42,850.22 and 12,763.70

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Solution

The fourth proportional to 28,559.98, 42,850.22 and 12,763.70 is: 19,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.98 : 42,850.22 = 12,763.70 : x
  2. Step 2: Convert to fraction form
    28,559.98/42,850.22 = 12,763.70/x
  3. Step 3: Cross multiply
    28,559.98x = 42,850.22 × 12,763.70
  4. Step 4: Simplify right side
    28,559.98x = 546,927,353.01
  5. Step 5: Solve for x
    x = 546,927,353.01/28,559.98
  6. Step 6: Final answer
    x = 19,150.13

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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.