Home / 19,255.65-28,831.32-10,002.21

Finding the Fourth Proportional to 19,255.65, 28,831.32 and 10,002.21

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Solution

The fourth proportional to 19,255.65, 28,831.32 and 10,002.21 is: 14,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.65 : 28,831.32 = 10,002.21 : x
  2. Step 2: Convert to fraction form
    19,255.65/28,831.32 = 10,002.21/x
  3. Step 3: Cross multiply
    19,255.65x = 28,831.32 × 10,002.21
  4. Step 4: Simplify right side
    19,255.65x = 288,376,917.22
  5. Step 5: Solve for x
    x = 288,376,917.22/19,255.65
  6. Step 6: Final answer
    x = 14,976.22

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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.