Home / 28,501.20-42,757.70-14,276.98

Finding the Fourth Proportional to 28,501.20, 42,757.70 and 14,276.98

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Solution

The fourth proportional to 28,501.20, 42,757.70 and 14,276.98 is: 21,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.20 : 42,757.70 = 14,276.98 : x
  2. Step 2: Convert to fraction form
    28,501.20/42,757.70 = 14,276.98/x
  3. Step 3: Cross multiply
    28,501.20x = 42,757.70 × 14,276.98
  4. Step 4: Simplify right side
    28,501.20x = 610,450,827.75
  5. Step 5: Solve for x
    x = 610,450,827.75/28,501.20
  6. Step 6: Final answer
    x = 21,418.43

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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.