Home / 28,814.06-39,763.41-16,238.81

Finding the Fourth Proportional to 28,814.06, 39,763.41 and 16,238.81

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Solution

The fourth proportional to 28,814.06, 39,763.41 and 16,238.81 is: 22,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.06 : 39,763.41 = 16,238.81 : x
  2. Step 2: Convert to fraction form
    28,814.06/39,763.41 = 16,238.81/x
  3. Step 3: Cross multiply
    28,814.06x = 39,763.41 × 16,238.81
  4. Step 4: Simplify right side
    28,814.06x = 645,710,498.46
  5. Step 5: Solve for x
    x = 645,710,498.46/28,814.06
  6. Step 6: Final answer
    x = 22,409.56

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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.