Home / 28,448.44-39,263.64-16,521.76

Finding the Fourth Proportional to 28,448.44, 39,263.64 and 16,521.76

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Solution

The fourth proportional to 28,448.44, 39,263.64 and 16,521.76 is: 22,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.44 : 39,263.64 = 16,521.76 : x
  2. Step 2: Convert to fraction form
    28,448.44/39,263.64 = 16,521.76/x
  3. Step 3: Cross multiply
    28,448.44x = 39,263.64 × 16,521.76
  4. Step 4: Simplify right side
    28,448.44x = 648,704,436.81
  5. Step 5: Solve for x
    x = 648,704,436.81/28,448.44
  6. Step 6: Final answer
    x = 22,802.81

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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.