Home / 28,748.40-39,671.76-16,001.16

Finding the Fourth Proportional to 28,748.40, 39,671.76 and 16,001.16

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Solution

The fourth proportional to 28,748.40, 39,671.76 and 16,001.16 is: 22,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.40 : 39,671.76 = 16,001.16 : x
  2. Step 2: Convert to fraction form
    28,748.40/39,671.76 = 16,001.16/x
  3. Step 3: Cross multiply
    28,748.40x = 39,671.76 × 16,001.16
  4. Step 4: Simplify right side
    28,748.40x = 634,794,179.24
  5. Step 5: Solve for x
    x = 634,794,179.24/28,748.40
  6. Step 6: Final answer
    x = 22,081.03

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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.