Home / 28,626.77-39,496.86-18,555.63

Finding the Fourth Proportional to 28,626.77, 39,496.86 and 18,555.63

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Solution

The fourth proportional to 28,626.77, 39,496.86 and 18,555.63 is: 25,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.77 : 39,496.86 = 18,555.63 : x
  2. Step 2: Convert to fraction form
    28,626.77/39,496.86 = 18,555.63/x
  3. Step 3: Cross multiply
    28,626.77x = 39,496.86 × 18,555.63
  4. Step 4: Simplify right side
    28,626.77x = 732,889,120.32
  5. Step 5: Solve for x
    x = 732,889,120.32/28,626.77
  6. Step 6: Final answer
    x = 25,601.53

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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.