Home / 27,000.64-40,513.44-10,355.12

Finding the Fourth Proportional to 27,000.64, 40,513.44 and 10,355.12

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Solution

The fourth proportional to 27,000.64, 40,513.44 and 10,355.12 is: 15,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,000.64 : 40,513.44 = 10,355.12 : x
  2. Step 2: Convert to fraction form
    27,000.64/40,513.44 = 10,355.12/x
  3. Step 3: Cross multiply
    27,000.64x = 40,513.44 × 10,355.12
  4. Step 4: Simplify right side
    27,000.64x = 419,521,532.81
  5. Step 5: Solve for x
    x = 419,521,532.81/27,000.64
  6. Step 6: Final answer
    x = 15,537.47

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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.