Home / 26,608.89-36,697.50-18,978.08

Finding the Fourth Proportional to 26,608.89, 36,697.50 and 18,978.08

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Solution

The fourth proportional to 26,608.89, 36,697.50 and 18,978.08 is: 26,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608.89 : 36,697.50 = 18,978.08 : x
  2. Step 2: Convert to fraction form
    26,608.89/36,697.50 = 18,978.08/x
  3. Step 3: Cross multiply
    26,608.89x = 36,697.50 × 18,978.08
  4. Step 4: Simplify right side
    26,608.89x = 696,447,907.31
  5. Step 5: Solve for x
    x = 696,447,907.31/26,608.89
  6. Step 6: Final answer
    x = 26,173.50

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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.