Home / 28,953.04-43,456.32-17,881.40

Finding the Fourth Proportional to 28,953.04, 43,456.32 and 17,881.40

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Solution

The fourth proportional to 28,953.04, 43,456.32 and 17,881.40 is: 26,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.04 : 43,456.32 = 17,881.40 : x
  2. Step 2: Convert to fraction form
    28,953.04/43,456.32 = 17,881.40/x
  3. Step 3: Cross multiply
    28,953.04x = 43,456.32 × 17,881.40
  4. Step 4: Simplify right side
    28,953.04x = 777,059,840.45
  5. Step 5: Solve for x
    x = 777,059,840.45/28,953.04
  6. Step 6: Final answer
    x = 26,838.63

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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.