Home / 28,327.14-42,495.57-8,607.69

Finding the Fourth Proportional to 28,327.14, 42,495.57 and 8,607.69

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Solution

The fourth proportional to 28,327.14, 42,495.57 and 8,607.69 is: 12,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.14 : 42,495.57 = 8,607.69 : x
  2. Step 2: Convert to fraction form
    28,327.14/42,495.57 = 8,607.69/x
  3. Step 3: Cross multiply
    28,327.14x = 42,495.57 × 8,607.69
  4. Step 4: Simplify right side
    28,327.14x = 365,788,692.93
  5. Step 5: Solve for x
    x = 365,788,692.93/28,327.14
  6. Step 6: Final answer
    x = 12,913.01

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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.