Home / 26,730.50-36,845.60-21,056.27

Finding the Fourth Proportional to 26,730.50, 36,845.60 and 21,056.27

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Solution

The fourth proportional to 26,730.50, 36,845.60 and 21,056.27 is: 29,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,730.50 : 36,845.60 = 21,056.27 : x
  2. Step 2: Convert to fraction form
    26,730.50/36,845.60 = 21,056.27/x
  3. Step 3: Cross multiply
    26,730.50x = 36,845.60 × 21,056.27
  4. Step 4: Simplify right side
    26,730.50x = 775,830,612.40
  5. Step 5: Solve for x
    x = 775,830,612.40/26,730.50
  6. Step 6: Final answer
    x = 29,024.17

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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.