Home / 28,580.36-39,441.44-16,005.08

Finding the Fourth Proportional to 28,580.36, 39,441.44 and 16,005.08

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Solution

The fourth proportional to 28,580.36, 39,441.44 and 16,005.08 is: 22,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.36 : 39,441.44 = 16,005.08 : x
  2. Step 2: Convert to fraction form
    28,580.36/39,441.44 = 16,005.08/x
  3. Step 3: Cross multiply
    28,580.36x = 39,441.44 × 16,005.08
  4. Step 4: Simplify right side
    28,580.36x = 631,263,402.52
  5. Step 5: Solve for x
    x = 631,263,402.52/28,580.36
  6. Step 6: Final answer
    x = 22,087.31

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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.