Home / 43,283.16-64,881-16,977.60

Finding the Fourth Proportional to 43,283.16, 64,881 and 16,977.60

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Solution

The fourth proportional to 43,283.16, 64,881 and 16,977.60 is: 25,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,283.16 : 64,881 = 16,977.60 : x
  2. Step 2: Convert to fraction form
    43,283.16/64,881 = 16,977.60/x
  3. Step 3: Cross multiply
    43,283.16x = 64,881 × 16,977.60
  4. Step 4: Simplify right side
    43,283.16x = 1,101,523,665.60
  5. Step 5: Solve for x
    x = 1,101,523,665.60/43,283.16
  6. Step 6: Final answer
    x = 25,449.24

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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.