Home / 20,817.56-28,737.50-16,035.77

Finding the Fourth Proportional to 20,817.56, 28,737.50 and 16,035.77

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Solution

The fourth proportional to 20,817.56, 28,737.50 and 16,035.77 is: 22,136.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,817.56 : 28,737.50 = 16,035.77 : x
  2. Step 2: Convert to fraction form
    20,817.56/28,737.50 = 16,035.77/x
  3. Step 3: Cross multiply
    20,817.56x = 28,737.50 × 16,035.77
  4. Step 4: Simplify right side
    20,817.56x = 460,827,716.51
  5. Step 5: Solve for x
    x = 460,827,716.51/20,817.56
  6. Step 6: Final answer
    x = 22,136.50

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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.