Home / 28,360.08-39,140.58-16,265.28

Finding the Fourth Proportional to 28,360.08, 39,140.58 and 16,265.28

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Solution

The fourth proportional to 28,360.08, 39,140.58 and 16,265.28 is: 22,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.08 : 39,140.58 = 16,265.28 : x
  2. Step 2: Convert to fraction form
    28,360.08/39,140.58 = 16,265.28/x
  3. Step 3: Cross multiply
    28,360.08x = 39,140.58 × 16,265.28
  4. Step 4: Simplify right side
    28,360.08x = 636,632,493.06
  5. Step 5: Solve for x
    x = 636,632,493.06/28,360.08
  6. Step 6: Final answer
    x = 22,448.19

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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.