Home / 28,027.67-42,041.66-8,306.40

Finding the Fourth Proportional to 28,027.67, 42,041.66 and 8,306.40

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Solution

The fourth proportional to 28,027.67, 42,041.66 and 8,306.40 is: 12,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.67 : 42,041.66 = 8,306.40 : x
  2. Step 2: Convert to fraction form
    28,027.67/42,041.66 = 8,306.40/x
  3. Step 3: Cross multiply
    28,027.67x = 42,041.66 × 8,306.40
  4. Step 4: Simplify right side
    28,027.67x = 349,214,803.09
  5. Step 5: Solve for x
    x = 349,214,803.09/28,027.67
  6. Step 6: Final answer
    x = 12,459.64

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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.