Home / 27,135.98-40,730.26-13,105.86

Finding the Fourth Proportional to 27,135.98, 40,730.26 and 13,105.86

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Solution

The fourth proportional to 27,135.98, 40,730.26 and 13,105.86 is: 19,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.98 : 40,730.26 = 13,105.86 : x
  2. Step 2: Convert to fraction form
    27,135.98/40,730.26 = 13,105.86/x
  3. Step 3: Cross multiply
    27,135.98x = 40,730.26 × 13,105.86
  4. Step 4: Simplify right side
    27,135.98x = 533,805,085.32
  5. Step 5: Solve for x
    x = 533,805,085.32/27,135.98
  6. Step 6: Final answer
    x = 19,671.49

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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.