Home / 28,801.68-39,748.62-16,059.01

Finding the Fourth Proportional to 28,801.68, 39,748.62 and 16,059.01

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Solution

The fourth proportional to 28,801.68, 39,748.62 and 16,059.01 is: 22,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.68 : 39,748.62 = 16,059.01 : x
  2. Step 2: Convert to fraction form
    28,801.68/39,748.62 = 16,059.01/x
  3. Step 3: Cross multiply
    28,801.68x = 39,748.62 × 16,059.01
  4. Step 4: Simplify right side
    28,801.68x = 638,323,521.44
  5. Step 5: Solve for x
    x = 638,323,521.44/28,801.68
  6. Step 6: Final answer
    x = 22,162.72

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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.