Home / 26,813.40-40,209.80-12,762.60

Finding the Fourth Proportional to 26,813.40, 40,209.80 and 12,762.60

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Solution

The fourth proportional to 26,813.40, 40,209.80 and 12,762.60 is: 19,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,813.40 : 40,209.80 = 12,762.60 : x
  2. Step 2: Convert to fraction form
    26,813.40/40,209.80 = 12,762.60/x
  3. Step 3: Cross multiply
    26,813.40x = 40,209.80 × 12,762.60
  4. Step 4: Simplify right side
    26,813.40x = 513,181,593.48
  5. Step 5: Solve for x
    x = 513,181,593.48/26,813.40
  6. Step 6: Final answer
    x = 19,139.00

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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.