Home / 28,550.86-42,808.94-14,302.76

Finding the Fourth Proportional to 28,550.86, 42,808.94 and 14,302.76

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Solution

The fourth proportional to 28,550.86, 42,808.94 and 14,302.76 is: 21,445.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.86 : 42,808.94 = 14,302.76 : x
  2. Step 2: Convert to fraction form
    28,550.86/42,808.94 = 14,302.76/x
  3. Step 3: Cross multiply
    28,550.86x = 42,808.94 × 14,302.76
  4. Step 4: Simplify right side
    28,550.86x = 612,286,137.45
  5. Step 5: Solve for x
    x = 612,286,137.45/28,550.86
  6. Step 6: Final answer
    x = 21,445.46

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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.