Home / 28,737.89-39,659.32-16,801.02

Finding the Fourth Proportional to 28,737.89, 39,659.32 and 16,801.02

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Solution

The fourth proportional to 28,737.89, 39,659.32 and 16,801.02 is: 23,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.89 : 39,659.32 = 16,801.02 : x
  2. Step 2: Convert to fraction form
    28,737.89/39,659.32 = 16,801.02/x
  3. Step 3: Cross multiply
    28,737.89x = 39,659.32 × 16,801.02
  4. Step 4: Simplify right side
    28,737.89x = 666,317,049.51
  5. Step 5: Solve for x
    x = 666,317,049.51/28,737.89
  6. Step 6: Final answer
    x = 23,186.01

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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.