Home / 28,886.48-39,863.76-16,308.80

Finding the Fourth Proportional to 28,886.48, 39,863.76 and 16,308.80

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Solution

The fourth proportional to 28,886.48, 39,863.76 and 16,308.80 is: 22,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.48 : 39,863.76 = 16,308.80 : x
  2. Step 2: Convert to fraction form
    28,886.48/39,863.76 = 16,308.80/x
  3. Step 3: Cross multiply
    28,886.48x = 39,863.76 × 16,308.80
  4. Step 4: Simplify right side
    28,886.48x = 650,130,089.09
  5. Step 5: Solve for x
    x = 650,130,089.09/28,886.48
  6. Step 6: Final answer
    x = 22,506.38

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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.