Home / 26,558.72-39,849.60-12,698.72

Finding the Fourth Proportional to 26,558.72, 39,849.60 and 12,698.72

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Solution

The fourth proportional to 26,558.72, 39,849.60 and 12,698.72 is: 19,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,558.72 : 39,849.60 = 12,698.72 : x
  2. Step 2: Convert to fraction form
    26,558.72/39,849.60 = 12,698.72/x
  3. Step 3: Cross multiply
    26,558.72x = 39,849.60 × 12,698.72
  4. Step 4: Simplify right side
    26,558.72x = 506,038,912.51
  5. Step 5: Solve for x
    x = 506,038,912.51/26,558.72
  6. Step 6: Final answer
    x = 19,053.59

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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.