Home / 42,973.61-64,429.07-28,898.64

Finding the Fourth Proportional to 42,973.61, 64,429.07 and 28,898.64

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Solution

The fourth proportional to 42,973.61, 64,429.07 and 28,898.64 is: 43,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,973.61 : 64,429.07 = 28,898.64 : x
  2. Step 2: Convert to fraction form
    42,973.61/64,429.07 = 28,898.64/x
  3. Step 3: Cross multiply
    42,973.61x = 64,429.07 × 28,898.64
  4. Step 4: Simplify right side
    42,973.61x = 1,861,912,354.97
  5. Step 5: Solve for x
    x = 1,861,912,354.97/42,973.61
  6. Step 6: Final answer
    x = 43,326.88

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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.