Home / 42,837.80-64,256.49-28,576.13

Finding the Fourth Proportional to 42,837.80, 64,256.49 and 28,576.13

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Solution

The fourth proportional to 42,837.80, 64,256.49 and 28,576.13 is: 42,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,837.80 : 64,256.49 = 28,576.13 : x
  2. Step 2: Convert to fraction form
    42,837.80/64,256.49 = 28,576.13/x
  3. Step 3: Cross multiply
    42,837.80x = 64,256.49 × 28,576.13
  4. Step 4: Simplify right side
    42,837.80x = 1,836,201,490.30
  5. Step 5: Solve for x
    x = 1,836,201,490.30/42,837.80
  6. Step 6: Final answer
    x = 42,864.05

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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.