Home / 28,088.34-38,761.58-16,151.72

Finding the Fourth Proportional to 28,088.34, 38,761.58 and 16,151.72

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Solution

The fourth proportional to 28,088.34, 38,761.58 and 16,151.72 is: 22,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.34 : 38,761.58 = 16,151.72 : x
  2. Step 2: Convert to fraction form
    28,088.34/38,761.58 = 16,151.72/x
  3. Step 3: Cross multiply
    28,088.34x = 38,761.58 × 16,151.72
  4. Step 4: Simplify right side
    28,088.34x = 626,065,912.35
  5. Step 5: Solve for x
    x = 626,065,912.35/28,088.34
  6. Step 6: Final answer
    x = 22,289.17

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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.