Home / 26,522.68-39,784.02-12,629.56

Finding the Fourth Proportional to 26,522.68, 39,784.02 and 12,629.56

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Solution

The fourth proportional to 26,522.68, 39,784.02 and 12,629.56 is: 18,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,522.68 : 39,784.02 = 12,629.56 : x
  2. Step 2: Convert to fraction form
    26,522.68/39,784.02 = 12,629.56/x
  3. Step 3: Cross multiply
    26,522.68x = 39,784.02 × 12,629.56
  4. Step 4: Simplify right side
    26,522.68x = 502,454,667.63
  5. Step 5: Solve for x
    x = 502,454,667.63/26,522.68
  6. Step 6: Final answer
    x = 18,944.34

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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.