Home / 19,227.59-28,831.32-8,688.54

Finding the Fourth Proportional to 19,227.59, 28,831.32 and 8,688.54

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Solution

The fourth proportional to 19,227.59, 28,831.32 and 8,688.54 is: 13,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227.59 : 28,831.32 = 8,688.54 : x
  2. Step 2: Convert to fraction form
    19,227.59/28,831.32 = 8,688.54/x
  3. Step 3: Cross multiply
    19,227.59x = 28,831.32 × 8,688.54
  4. Step 4: Simplify right side
    19,227.59x = 250,502,077.07
  5. Step 5: Solve for x
    x = 250,502,077.07/19,227.59
  6. Step 6: Final answer
    x = 13,028.27

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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.