Home / 28,831.41-39,775.80-17,496.72

Finding the Fourth Proportional to 28,831.41, 39,775.80 and 17,496.72

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Solution

The fourth proportional to 28,831.41, 39,775.80 and 17,496.72 is: 24,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.41 : 39,775.80 = 17,496.72 : x
  2. Step 2: Convert to fraction form
    28,831.41/39,775.80 = 17,496.72/x
  3. Step 3: Cross multiply
    28,831.41x = 39,775.80 × 17,496.72
  4. Step 4: Simplify right side
    28,831.41x = 695,946,035.38
  5. Step 5: Solve for x
    x = 695,946,035.38/28,831.41
  6. Step 6: Final answer
    x = 24,138.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.