Home / 28,748.88-39,672.45-16,001.64

Finding the Fourth Proportional to 28,748.88, 39,672.45 and 16,001.64

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Solution

The fourth proportional to 28,748.88, 39,672.45 and 16,001.64 is: 22,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.88 : 39,672.45 = 16,001.64 : x
  2. Step 2: Convert to fraction form
    28,748.88/39,672.45 = 16,001.64/x
  3. Step 3: Cross multiply
    28,748.88x = 39,672.45 × 16,001.64
  4. Step 4: Simplify right side
    28,748.88x = 634,824,262.82
  5. Step 5: Solve for x
    x = 634,824,262.82/28,748.88
  6. Step 6: Final answer
    x = 22,081.70

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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.