Home / 28,550.41-42,835.73-12,753.99

Finding the Fourth Proportional to 28,550.41, 42,835.73 and 12,753.99

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Solution

The fourth proportional to 28,550.41, 42,835.73 and 12,753.99 is: 19,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.41 : 42,835.73 = 12,753.99 : x
  2. Step 2: Convert to fraction form
    28,550.41/42,835.73 = 12,753.99/x
  3. Step 3: Cross multiply
    28,550.41x = 42,835.73 × 12,753.99
  4. Step 4: Simplify right side
    28,550.41x = 546,326,408.29
  5. Step 5: Solve for x
    x = 546,326,408.29/28,550.41
  6. Step 6: Final answer
    x = 19,135.50

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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.