Home / 25,214.24-34,795.16-15,788

Finding the Fourth Proportional to 25,214.24, 34,795.16 and 15,788

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Solution

The fourth proportional to 25,214.24, 34,795.16 and 15,788 is: 21,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,214.24 : 34,795.16 = 15,788 : x
  2. Step 2: Convert to fraction form
    25,214.24/34,795.16 = 15,788/x
  3. Step 3: Cross multiply
    25,214.24x = 34,795.16 × 15,788
  4. Step 4: Simplify right side
    25,214.24x = 549,345,986.08
  5. Step 5: Solve for x
    x = 549,345,986.08/25,214.24
  6. Step 6: Final answer
    x = 21,787.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.