Home / 28,094.60-38,778-16,159.28

Finding the Fourth Proportional to 28,094.60, 38,778 and 16,159.28

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Solution

The fourth proportional to 28,094.60, 38,778 and 16,159.28 is: 22,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.60 : 38,778 = 16,159.28 : x
  2. Step 2: Convert to fraction form
    28,094.60/38,778 = 16,159.28/x
  3. Step 3: Cross multiply
    28,094.60x = 38,778 × 16,159.28
  4. Step 4: Simplify right side
    28,094.60x = 626,624,559.84
  5. Step 5: Solve for x
    x = 626,624,559.84/28,094.60
  6. Step 6: Final answer
    x = 22,304.09

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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.