Home / 26,427.71-36,470.25-14,490.80

Finding the Fourth Proportional to 26,427.71, 36,470.25 and 14,490.80

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Solution

The fourth proportional to 26,427.71, 36,470.25 and 14,490.80 is: 19,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.71 : 36,470.25 = 14,490.80 : x
  2. Step 2: Convert to fraction form
    26,427.71/36,470.25 = 14,490.80/x
  3. Step 3: Cross multiply
    26,427.71x = 36,470.25 × 14,490.80
  4. Step 4: Simplify right side
    26,427.71x = 528,483,098.70
  5. Step 5: Solve for x
    x = 528,483,098.70/26,427.71
  6. Step 6: Final answer
    x = 19,997.31

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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.