Home / 28,094.04-38,769.84-15,519.60

Finding the Fourth Proportional to 28,094.04, 38,769.84 and 15,519.60

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Solution

The fourth proportional to 28,094.04, 38,769.84 and 15,519.60 is: 21,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.04 : 38,769.84 = 15,519.60 : x
  2. Step 2: Convert to fraction form
    28,094.04/38,769.84 = 15,519.60/x
  3. Step 3: Cross multiply
    28,094.04x = 38,769.84 × 15,519.60
  4. Step 4: Simplify right side
    28,094.04x = 601,692,408.86
  5. Step 5: Solve for x
    x = 601,692,408.86/28,094.04
  6. Step 6: Final answer
    x = 21,417.08

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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.