Home / 28,047.63-42,060.51-10,507.89

Finding the Fourth Proportional to 28,047.63, 42,060.51 and 10,507.89

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Solution

The fourth proportional to 28,047.63, 42,060.51 and 10,507.89 is: 15,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047.63 : 42,060.51 = 10,507.89 : x
  2. Step 2: Convert to fraction form
    28,047.63/42,060.51 = 10,507.89/x
  3. Step 3: Cross multiply
    28,047.63x = 42,060.51 × 10,507.89
  4. Step 4: Simplify right side
    28,047.63x = 441,967,212.42
  5. Step 5: Solve for x
    x = 441,967,212.42/28,047.63
  6. Step 6: Final answer
    x = 15,757.74

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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.