Home / 28,202.77-38,929.58-16,270.86

Finding the Fourth Proportional to 28,202.77, 38,929.58 and 16,270.86

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Solution

The fourth proportional to 28,202.77, 38,929.58 and 16,270.86 is: 22,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.77 : 38,929.58 = 16,270.86 : x
  2. Step 2: Convert to fraction form
    28,202.77/38,929.58 = 16,270.86/x
  3. Step 3: Cross multiply
    28,202.77x = 38,929.58 × 16,270.86
  4. Step 4: Simplify right side
    28,202.77x = 633,417,746.04
  5. Step 5: Solve for x
    x = 633,417,746.04/28,202.77
  6. Step 6: Final answer
    x = 22,459.42

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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.