Home / 27,124.85-40,693.49-10,485.02

Finding the Fourth Proportional to 27,124.85, 40,693.49 and 10,485.02

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Solution

The fourth proportional to 27,124.85, 40,693.49 and 10,485.02 is: 15,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,124.85 : 40,693.49 = 10,485.02 : x
  2. Step 2: Convert to fraction form
    27,124.85/40,693.49 = 10,485.02/x
  3. Step 3: Cross multiply
    27,124.85x = 40,693.49 × 10,485.02
  4. Step 4: Simplify right side
    27,124.85x = 426,671,800.63
  5. Step 5: Solve for x
    x = 426,671,800.63/27,124.85
  6. Step 6: Final answer
    x = 15,729.93

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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.