Home / 26,918.77-40,333.72-15,642.45

Finding the Fourth Proportional to 26,918.77, 40,333.72 and 15,642.45

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Solution

The fourth proportional to 26,918.77, 40,333.72 and 15,642.45 is: 23,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.77 : 40,333.72 = 15,642.45 : x
  2. Step 2: Convert to fraction form
    26,918.77/40,333.72 = 15,642.45/x
  3. Step 3: Cross multiply
    26,918.77x = 40,333.72 × 15,642.45
  4. Step 4: Simplify right side
    26,918.77x = 630,918,120.20
  5. Step 5: Solve for x
    x = 630,918,120.20/26,918.77
  6. Step 6: Final answer
    x = 23,437.86

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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.