Home / 28,328.07-42,489.33-8,606.82

Finding the Fourth Proportional to 28,328.07, 42,489.33 and 8,606.82

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Solution

The fourth proportional to 28,328.07, 42,489.33 and 8,606.82 is: 12,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328.07 : 42,489.33 = 8,606.82 : x
  2. Step 2: Convert to fraction form
    28,328.07/42,489.33 = 8,606.82/x
  3. Step 3: Cross multiply
    28,328.07x = 42,489.33 × 8,606.82
  4. Step 4: Simplify right side
    28,328.07x = 365,698,015.23
  5. Step 5: Solve for x
    x = 365,698,015.23/28,328.07
  6. Step 6: Final answer
    x = 12,909.39

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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.