Home / 26,078.40-35,988.12-14,141.70

Finding the Fourth Proportional to 26,078.40, 35,988.12 and 14,141.70

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Solution

The fourth proportional to 26,078.40, 35,988.12 and 14,141.70 is: 19,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.40 : 35,988.12 = 14,141.70 : x
  2. Step 2: Convert to fraction form
    26,078.40/35,988.12 = 14,141.70/x
  3. Step 3: Cross multiply
    26,078.40x = 35,988.12 × 14,141.70
  4. Step 4: Simplify right side
    26,078.40x = 508,933,196.60
  5. Step 5: Solve for x
    x = 508,933,196.60/26,078.40
  6. Step 6: Final answer
    x = 19,515.51

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1.5x scale

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.