Home / 27,040.61-40,541.81-10,386.60

Finding the Fourth Proportional to 27,040.61, 40,541.81 and 10,386.60

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Solution

The fourth proportional to 27,040.61, 40,541.81 and 10,386.60 is: 15,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,040.61 : 40,541.81 = 10,386.60 : x
  2. Step 2: Convert to fraction form
    27,040.61/40,541.81 = 10,386.60/x
  3. Step 3: Cross multiply
    27,040.61x = 40,541.81 × 10,386.60
  4. Step 4: Simplify right side
    27,040.61x = 421,091,511.81
  5. Step 5: Solve for x
    x = 421,091,511.81/27,040.61
  6. Step 6: Final answer
    x = 15,572.56

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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.