Home / 26,618.99-39,860.28-25,830.63

Finding the Fourth Proportional to 26,618.99, 39,860.28 and 25,830.63

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Solution

The fourth proportional to 26,618.99, 39,860.28 and 25,830.63 is: 38,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.99 : 39,860.28 = 25,830.63 : x
  2. Step 2: Convert to fraction form
    26,618.99/39,860.28 = 25,830.63/x
  3. Step 3: Cross multiply
    26,618.99x = 39,860.28 × 25,830.63
  4. Step 4: Simplify right side
    26,618.99x = 1,029,616,144.38
  5. Step 5: Solve for x
    x = 1,029,616,144.38/26,618.99
  6. Step 6: Final answer
    x = 38,679.77

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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.