Home / 26,881.47-40,322.16-7,160.09

Finding the Fourth Proportional to 26,881.47, 40,322.16 and 7,160.09

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Solution

The fourth proportional to 26,881.47, 40,322.16 and 7,160.09 is: 10,740.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.47 : 40,322.16 = 7,160.09 : x
  2. Step 2: Convert to fraction form
    26,881.47/40,322.16 = 7,160.09/x
  3. Step 3: Cross multiply
    26,881.47x = 40,322.16 × 7,160.09
  4. Step 4: Simplify right side
    26,881.47x = 288,710,092.98
  5. Step 5: Solve for x
    x = 288,710,092.98/26,881.47
  6. Step 6: Final answer
    x = 10,740.12

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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.