Home / 28,383.48-39,169.63-16,285.93

Finding the Fourth Proportional to 28,383.48, 39,169.63 and 16,285.93

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Solution

The fourth proportional to 28,383.48, 39,169.63 and 16,285.93 is: 22,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.48 : 39,169.63 = 16,285.93 : x
  2. Step 2: Convert to fraction form
    28,383.48/39,169.63 = 16,285.93/x
  3. Step 3: Cross multiply
    28,383.48x = 39,169.63 × 16,285.93
  4. Step 4: Simplify right side
    28,383.48x = 637,913,683.13
  5. Step 5: Solve for x
    x = 637,913,683.13/28,383.48
  6. Step 6: Final answer
    x = 22,474.82

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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.