Home / 28,973.79-43,463.25-11,439.45

Finding the Fourth Proportional to 28,973.79, 43,463.25 and 11,439.45

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Solution

The fourth proportional to 28,973.79, 43,463.25 and 11,439.45 is: 17,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.79 : 43,463.25 = 11,439.45 : x
  2. Step 2: Convert to fraction form
    28,973.79/43,463.25 = 11,439.45/x
  3. Step 3: Cross multiply
    28,973.79x = 43,463.25 × 11,439.45
  4. Step 4: Simplify right side
    28,973.79x = 497,195,675.21
  5. Step 5: Solve for x
    x = 497,195,675.21/28,973.79
  6. Step 6: Final answer
    x = 17,160.19

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1.5x scale

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.