Home / 42,807.68-64,205.16-16,509.14

Finding the Fourth Proportional to 42,807.68, 64,205.16 and 16,509.14

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Solution

The fourth proportional to 42,807.68, 64,205.16 and 16,509.14 is: 24,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,807.68 : 64,205.16 = 16,509.14 : x
  2. Step 2: Convert to fraction form
    42,807.68/64,205.16 = 16,509.14/x
  3. Step 3: Cross multiply
    42,807.68x = 64,205.16 × 16,509.14
  4. Step 4: Simplify right side
    42,807.68x = 1,059,971,975.16
  5. Step 5: Solve for x
    x = 1,059,971,975.16/42,807.68
  6. Step 6: Final answer
    x = 24,761.26

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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.