Home / 28,645.04-42,959.25-12,004.62

Finding the Fourth Proportional to 28,645.04, 42,959.25 and 12,004.62

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Solution

The fourth proportional to 28,645.04, 42,959.25 and 12,004.62 is: 18,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.04 : 42,959.25 = 12,004.62 : x
  2. Step 2: Convert to fraction form
    28,645.04/42,959.25 = 12,004.62/x
  3. Step 3: Cross multiply
    28,645.04x = 42,959.25 × 12,004.62
  4. Step 4: Simplify right side
    28,645.04x = 515,709,471.74
  5. Step 5: Solve for x
    x = 515,709,471.74/28,645.04
  6. Step 6: Final answer
    x = 18,003.45

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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.