Home / 28,894.02-39,874.53-16,318.77

Finding the Fourth Proportional to 28,894.02, 39,874.53 and 16,318.77

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Solution

The fourth proportional to 28,894.02, 39,874.53 and 16,318.77 is: 22,520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.02 : 39,874.53 = 16,318.77 : x
  2. Step 2: Convert to fraction form
    28,894.02/39,874.53 = 16,318.77/x
  3. Step 3: Cross multiply
    28,894.02x = 39,874.53 × 16,318.77
  4. Step 4: Simplify right side
    28,894.02x = 650,703,283.93
  5. Step 5: Solve for x
    x = 650,703,283.93/28,894.02
  6. Step 6: Final answer
    x = 22,520.34

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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.