Home / 26,767.60-40,102.80-21,810.40

Finding the Fourth Proportional to 26,767.60, 40,102.80 and 21,810.40

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Solution

The fourth proportional to 26,767.60, 40,102.80 and 21,810.40 is: 32,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,767.60 : 40,102.80 = 21,810.40 : x
  2. Step 2: Convert to fraction form
    26,767.60/40,102.80 = 21,810.40/x
  3. Step 3: Cross multiply
    26,767.60x = 40,102.80 × 21,810.40
  4. Step 4: Simplify right side
    26,767.60x = 874,658,109.12
  5. Step 5: Solve for x
    x = 874,658,109.12/26,767.60
  6. Step 6: Final answer
    x = 32,676.00

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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.