Home / 26,438.51-39,629.90-10,654.74

Finding the Fourth Proportional to 26,438.51, 39,629.90 and 10,654.74

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Solution

The fourth proportional to 26,438.51, 39,629.90 and 10,654.74 is: 15,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.51 : 39,629.90 = 10,654.74 : x
  2. Step 2: Convert to fraction form
    26,438.51/39,629.90 = 10,654.74/x
  3. Step 3: Cross multiply
    26,438.51x = 39,629.90 × 10,654.74
  4. Step 4: Simplify right side
    26,438.51x = 422,246,307.36
  5. Step 5: Solve for x
    x = 422,246,307.36/26,438.51
  6. Step 6: Final answer
    x = 15,970.88

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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.