Home / 26,788.20-36,969.90-14,855.28

Finding the Fourth Proportional to 26,788.20, 36,969.90 and 14,855.28

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Solution

The fourth proportional to 26,788.20, 36,969.90 and 14,855.28 is: 20,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.20 : 36,969.90 = 14,855.28 : x
  2. Step 2: Convert to fraction form
    26,788.20/36,969.90 = 14,855.28/x
  3. Step 3: Cross multiply
    26,788.20x = 36,969.90 × 14,855.28
  4. Step 4: Simplify right side
    26,788.20x = 549,198,216.07
  5. Step 5: Solve for x
    x = 549,198,216.07/26,788.20
  6. Step 6: Final answer
    x = 20,501.50

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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.