Home / 26,664.96-39,984.02-8,889.32

Finding the Fourth Proportional to 26,664.96, 39,984.02 and 8,889.32

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Solution

The fourth proportional to 26,664.96, 39,984.02 and 8,889.32 is: 13,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,664.96 : 39,984.02 = 8,889.32 : x
  2. Step 2: Convert to fraction form
    26,664.96/39,984.02 = 8,889.32/x
  3. Step 3: Cross multiply
    26,664.96x = 39,984.02 × 8,889.32
  4. Step 4: Simplify right side
    26,664.96x = 355,430,748.67
  5. Step 5: Solve for x
    x = 355,430,748.67/26,664.96
  6. Step 6: Final answer
    x = 13,329.51

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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.