Home / 26,985.84-40,421.88-17,119.92

Finding the Fourth Proportional to 26,985.84, 40,421.88 and 17,119.92

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Solution

The fourth proportional to 26,985.84, 40,421.88 and 17,119.92 is: 25,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.84 : 40,421.88 = 17,119.92 : x
  2. Step 2: Convert to fraction form
    26,985.84/40,421.88 = 17,119.92/x
  3. Step 3: Cross multiply
    26,985.84x = 40,421.88 × 17,119.92
  4. Step 4: Simplify right side
    26,985.84x = 692,019,351.85
  5. Step 5: Solve for x
    x = 692,019,351.85/26,985.84
  6. Step 6: Final answer
    x = 25,643.80

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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.