Home / 27,028.32-40,547.52-10,387.68

Finding the Fourth Proportional to 27,028.32, 40,547.52 and 10,387.68

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Solution

The fourth proportional to 27,028.32, 40,547.52 and 10,387.68 is: 15,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028.32 : 40,547.52 = 10,387.68 : x
  2. Step 2: Convert to fraction form
    27,028.32/40,547.52 = 10,387.68/x
  3. Step 3: Cross multiply
    27,028.32x = 40,547.52 × 10,387.68
  4. Step 4: Simplify right side
    27,028.32x = 421,194,662.55
  5. Step 5: Solve for x
    x = 421,194,662.55/27,028.32
  6. Step 6: Final answer
    x = 15,583.46

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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.