Home / 20,683.02-31,005.07-10,828.77

Finding the Fourth Proportional to 20,683.02, 31,005.07 and 10,828.77

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Solution

The fourth proportional to 20,683.02, 31,005.07 and 10,828.77 is: 16,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,683.02 : 31,005.07 = 10,828.77 : x
  2. Step 2: Convert to fraction form
    20,683.02/31,005.07 = 10,828.77/x
  3. Step 3: Cross multiply
    20,683.02x = 31,005.07 × 10,828.77
  4. Step 4: Simplify right side
    20,683.02x = 335,746,771.86
  5. Step 5: Solve for x
    x = 335,746,771.86/20,683.02
  6. Step 6: Final answer
    x = 16,232.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.