Home / 28,828.77-39,784.83-16,253.25

Finding the Fourth Proportional to 28,828.77, 39,784.83 and 16,253.25

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Solution

The fourth proportional to 28,828.77, 39,784.83 and 16,253.25 is: 22,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.77 : 39,784.83 = 16,253.25 : x
  2. Step 2: Convert to fraction form
    28,828.77/39,784.83 = 16,253.25/x
  3. Step 3: Cross multiply
    28,828.77x = 39,784.83 × 16,253.25
  4. Step 4: Simplify right side
    28,828.77x = 646,632,788.20
  5. Step 5: Solve for x
    x = 646,632,788.20/28,828.77
  6. Step 6: Final answer
    x = 22,430.12

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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.