Home / 28,881.72-43,281.27-13,047.44

Finding the Fourth Proportional to 28,881.72, 43,281.27 and 13,047.44

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Solution

The fourth proportional to 28,881.72, 43,281.27 and 13,047.44 is: 19,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.72 : 43,281.27 = 13,047.44 : x
  2. Step 2: Convert to fraction form
    28,881.72/43,281.27 = 13,047.44/x
  3. Step 3: Cross multiply
    28,881.72x = 43,281.27 × 13,047.44
  4. Step 4: Simplify right side
    28,881.72x = 564,709,557.04
  5. Step 5: Solve for x
    x = 564,709,557.04/28,881.72
  6. Step 6: Final answer
    x = 19,552.49

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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.