Home / 28,818.54-39,769.26-16,883.01

Finding the Fourth Proportional to 28,818.54, 39,769.26 and 16,883.01

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Solution

The fourth proportional to 28,818.54, 39,769.26 and 16,883.01 is: 23,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.54 : 39,769.26 = 16,883.01 : x
  2. Step 2: Convert to fraction form
    28,818.54/39,769.26 = 16,883.01/x
  3. Step 3: Cross multiply
    28,818.54x = 39,769.26 × 16,883.01
  4. Step 4: Simplify right side
    28,818.54x = 671,424,814.27
  5. Step 5: Solve for x
    x = 671,424,814.27/28,818.54
  6. Step 6: Final answer
    x = 23,298.36

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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.