Home / 28,090.72-42,110.04-10,572.16

Finding the Fourth Proportional to 28,090.72, 42,110.04 and 10,572.16

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Solution

The fourth proportional to 28,090.72, 42,110.04 and 10,572.16 is: 15,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090.72 : 42,110.04 = 10,572.16 : x
  2. Step 2: Convert to fraction form
    28,090.72/42,110.04 = 10,572.16/x
  3. Step 3: Cross multiply
    28,090.72x = 42,110.04 × 10,572.16
  4. Step 4: Simplify right side
    28,090.72x = 445,194,080.49
  5. Step 5: Solve for x
    x = 445,194,080.49/28,090.72
  6. Step 6: Final answer
    x = 15,848.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.