Home / 25,988.16-38,988-14,295.36

Finding the Fourth Proportional to 25,988.16, 38,988 and 14,295.36

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Solution

The fourth proportional to 25,988.16, 38,988 and 14,295.36 is: 21,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,988.16 : 38,988 = 14,295.36 : x
  2. Step 2: Convert to fraction form
    25,988.16/38,988 = 14,295.36/x
  3. Step 3: Cross multiply
    25,988.16x = 38,988 × 14,295.36
  4. Step 4: Simplify right side
    25,988.16x = 557,347,495.68
  5. Step 5: Solve for x
    x = 557,347,495.68/25,988.16
  6. Step 6: Final answer
    x = 21,446.21

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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.