Home / 27,124.47-40,686.70-7,403.55

Finding the Fourth Proportional to 27,124.47, 40,686.70 and 7,403.55

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Solution

The fourth proportional to 27,124.47, 40,686.70 and 7,403.55 is: 11,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,124.47 : 40,686.70 = 7,403.55 : x
  2. Step 2: Convert to fraction form
    27,124.47/40,686.70 = 7,403.55/x
  3. Step 3: Cross multiply
    27,124.47x = 40,686.70 × 7,403.55
  4. Step 4: Simplify right side
    27,124.47x = 301,225,777.33
  5. Step 5: Solve for x
    x = 301,225,777.33/27,124.47
  6. Step 6: Final answer
    x = 11,105.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.