Home / 25,918.38-38,880-15,595.74

Finding the Fourth Proportional to 25,918.38, 38,880 and 15,595.74

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Solution

The fourth proportional to 25,918.38, 38,880 and 15,595.74 is: 23,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,918.38 : 38,880 = 15,595.74 : x
  2. Step 2: Convert to fraction form
    25,918.38/38,880 = 15,595.74/x
  3. Step 3: Cross multiply
    25,918.38x = 38,880 × 15,595.74
  4. Step 4: Simplify right side
    25,918.38x = 606,362,371.20
  5. Step 5: Solve for x
    x = 606,362,371.20/25,918.38
  6. Step 6: Final answer
    x = 23,395.07

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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.