Home / 26,559.96-39,825.20-12,312.88

Finding the Fourth Proportional to 26,559.96, 39,825.20 and 12,312.88

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Solution

The fourth proportional to 26,559.96, 39,825.20 and 12,312.88 is: 18,462.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,559.96 : 39,825.20 = 12,312.88 : x
  2. Step 2: Convert to fraction form
    26,559.96/39,825.20 = 12,312.88/x
  3. Step 3: Cross multiply
    26,559.96x = 39,825.20 × 12,312.88
  4. Step 4: Simplify right side
    26,559.96x = 490,362,908.58
  5. Step 5: Solve for x
    x = 490,362,908.58/26,559.96
  6. Step 6: Final answer
    x = 18,462.49

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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.