Home / 25,957.90-38,916.87-17,615.98

Finding the Fourth Proportional to 25,957.90, 38,916.87 and 17,615.98

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Solution

The fourth proportional to 25,957.90, 38,916.87 and 17,615.98 is: 26,410.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,957.90 : 38,916.87 = 17,615.98 : x
  2. Step 2: Convert to fraction form
    25,957.90/38,916.87 = 17,615.98/x
  3. Step 3: Cross multiply
    25,957.90x = 38,916.87 × 17,615.98
  4. Step 4: Simplify right side
    25,957.90x = 685,558,803.58
  5. Step 5: Solve for x
    x = 685,558,803.58/25,957.90
  6. Step 6: Final answer
    x = 26,410.41

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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.