Home / 25,513.08-38,264.14-7,980.63

Finding the Fourth Proportional to 25,513.08, 38,264.14 and 7,980.63

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Solution

The fourth proportional to 25,513.08, 38,264.14 and 7,980.63 is: 11,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513.08 : 38,264.14 = 7,980.63 : x
  2. Step 2: Convert to fraction form
    25,513.08/38,264.14 = 7,980.63/x
  3. Step 3: Cross multiply
    25,513.08x = 38,264.14 × 7,980.63
  4. Step 4: Simplify right side
    25,513.08x = 305,371,943.61
  5. Step 5: Solve for x
    x = 305,371,943.61/25,513.08
  6. Step 6: Final answer
    x = 11,969.23

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Similar ratio
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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.