Home / 28,233.86-38,959.98-16,903.13

Finding the Fourth Proportional to 28,233.86, 38,959.98 and 16,903.13

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Solution

The fourth proportional to 28,233.86, 38,959.98 and 16,903.13 is: 23,324.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.86 : 38,959.98 = 16,903.13 : x
  2. Step 2: Convert to fraction form
    28,233.86/38,959.98 = 16,903.13/x
  3. Step 3: Cross multiply
    28,233.86x = 38,959.98 × 16,903.13
  4. Step 4: Simplify right side
    28,233.86x = 658,545,411.94
  5. Step 5: Solve for x
    x = 658,545,411.94/28,233.86
  6. Step 6: Final answer
    x = 23,324.67

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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.