Home / 28,494.23-39,322.16-15,573.77

Finding the Fourth Proportional to 28,494.23, 39,322.16 and 15,573.77

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Solution

The fourth proportional to 28,494.23, 39,322.16 and 15,573.77 is: 21,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,494.23 : 39,322.16 = 15,573.77 : x
  2. Step 2: Convert to fraction form
    28,494.23/39,322.16 = 15,573.77/x
  3. Step 3: Cross multiply
    28,494.23x = 39,322.16 × 15,573.77
  4. Step 4: Simplify right side
    28,494.23x = 612,394,118.07
  5. Step 5: Solve for x
    x = 612,394,118.07/28,494.23
  6. Step 6: Final answer
    x = 21,491.86

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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.