Home / 26,427.85-36,470.72-14,490.92

Finding the Fourth Proportional to 26,427.85, 36,470.72 and 14,490.92

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Solution

The fourth proportional to 26,427.85, 36,470.72 and 14,490.92 is: 19,997.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.85 : 36,470.72 = 14,490.92 : x
  2. Step 2: Convert to fraction form
    26,427.85/36,470.72 = 14,490.92/x
  3. Step 3: Cross multiply
    26,427.85x = 36,470.72 × 14,490.92
  4. Step 4: Simplify right side
    26,427.85x = 528,494,285.86
  5. Step 5: Solve for x
    x = 528,494,285.86/26,427.85
  6. Step 6: Final answer
    x = 19,997.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.