Home / 26,680.72-40,011.48-9,145.84

Finding the Fourth Proportional to 26,680.72, 40,011.48 and 9,145.84

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Solution

The fourth proportional to 26,680.72, 40,011.48 and 9,145.84 is: 13,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,680.72 : 40,011.48 = 9,145.84 : x
  2. Step 2: Convert to fraction form
    26,680.72/40,011.48 = 9,145.84/x
  3. Step 3: Cross multiply
    26,680.72x = 40,011.48 × 9,145.84
  4. Step 4: Simplify right side
    26,680.72x = 365,938,594.24
  5. Step 5: Solve for x
    x = 365,938,594.24/26,680.72
  6. Step 6: Final answer
    x = 13,715.47

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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.