Home / 26,303.20-39,458.40-8,771.20

Finding the Fourth Proportional to 26,303.20, 39,458.40 and 8,771.20

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Solution

The fourth proportional to 26,303.20, 39,458.40 and 8,771.20 is: 13,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,303.20 : 39,458.40 = 8,771.20 : x
  2. Step 2: Convert to fraction form
    26,303.20/39,458.40 = 8,771.20/x
  3. Step 3: Cross multiply
    26,303.20x = 39,458.40 × 8,771.20
  4. Step 4: Simplify right side
    26,303.20x = 346,097,518.08
  5. Step 5: Solve for x
    x = 346,097,518.08/26,303.20
  6. Step 6: Final answer
    x = 13,158.00

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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.