Home / 26,890.08-40,320.24-12,853.62

Finding the Fourth Proportional to 26,890.08, 40,320.24 and 12,853.62

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Solution

The fourth proportional to 26,890.08, 40,320.24 and 12,853.62 is: 19,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.08 : 40,320.24 = 12,853.62 : x
  2. Step 2: Convert to fraction form
    26,890.08/40,320.24 = 12,853.62/x
  3. Step 3: Cross multiply
    26,890.08x = 40,320.24 × 12,853.62
  4. Step 4: Simplify right side
    26,890.08x = 518,261,043.27
  5. Step 5: Solve for x
    x = 518,261,043.27/26,890.08
  6. Step 6: Final answer
    x = 19,273.32

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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.