Home / 28,630.27-39,501.69-18,559.13

Finding the Fourth Proportional to 28,630.27, 39,501.69 and 18,559.13

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Solution

The fourth proportional to 28,630.27, 39,501.69 and 18,559.13 is: 25,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630.27 : 39,501.69 = 18,559.13 : x
  2. Step 2: Convert to fraction form
    28,630.27/39,501.69 = 18,559.13/x
  3. Step 3: Cross multiply
    28,630.27x = 39,501.69 × 18,559.13
  4. Step 4: Simplify right side
    28,630.27x = 733,116,999.93
  5. Step 5: Solve for x
    x = 733,116,999.93/28,630.27
  6. Step 6: Final answer
    x = 25,606.36

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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.