Home / 28,287.36-39,004.53-18,064.96

Finding the Fourth Proportional to 28,287.36, 39,004.53 and 18,064.96

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Solution

The fourth proportional to 28,287.36, 39,004.53 and 18,064.96 is: 24,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,287.36 : 39,004.53 = 18,064.96 : x
  2. Step 2: Convert to fraction form
    28,287.36/39,004.53 = 18,064.96/x
  3. Step 3: Cross multiply
    28,287.36x = 39,004.53 × 18,064.96
  4. Step 4: Simplify right side
    28,287.36x = 704,615,109.01
  5. Step 5: Solve for x
    x = 704,615,109.01/28,287.36
  6. Step 6: Final answer
    x = 24,909.19

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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.