Home / 26,140.40-39,210.60-17,346.80

Finding the Fourth Proportional to 26,140.40, 39,210.60 and 17,346.80

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Solution

The fourth proportional to 26,140.40, 39,210.60 and 17,346.80 is: 26,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.40 : 39,210.60 = 17,346.80 : x
  2. Step 2: Convert to fraction form
    26,140.40/39,210.60 = 17,346.80/x
  3. Step 3: Cross multiply
    26,140.40x = 39,210.60 × 17,346.80
  4. Step 4: Simplify right side
    26,140.40x = 680,178,436.08
  5. Step 5: Solve for x
    x = 680,178,436.08/26,140.40
  6. Step 6: Final answer
    x = 26,020.20

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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.