Home / 26,985.42-40,476.56-10,344.78

Finding the Fourth Proportional to 26,985.42, 40,476.56 and 10,344.78

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Solution

The fourth proportional to 26,985.42, 40,476.56 and 10,344.78 is: 15,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.42 : 40,476.56 = 10,344.78 : x
  2. Step 2: Convert to fraction form
    26,985.42/40,476.56 = 10,344.78/x
  3. Step 3: Cross multiply
    26,985.42x = 40,476.56 × 10,344.78
  4. Step 4: Simplify right side
    26,985.42x = 418,721,056.63
  5. Step 5: Solve for x
    x = 418,721,056.63/26,985.42
  6. Step 6: Final answer
    x = 15,516.57

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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.