Home / 28,299.51-39,050.62-16,966.89

Finding the Fourth Proportional to 28,299.51, 39,050.62 and 16,966.89

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Solution

The fourth proportional to 28,299.51, 39,050.62 and 16,966.89 is: 23,412.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.51 : 39,050.62 = 16,966.89 : x
  2. Step 2: Convert to fraction form
    28,299.51/39,050.62 = 16,966.89/x
  3. Step 3: Cross multiply
    28,299.51x = 39,050.62 × 16,966.89
  4. Step 4: Simplify right side
    28,299.51x = 662,567,531.55
  5. Step 5: Solve for x
    x = 662,567,531.55/28,299.51
  6. Step 6: Final answer
    x = 23,412.69

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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.