Home / 26,188.80-39,288.60-8,670.93

Finding the Fourth Proportional to 26,188.80, 39,288.60 and 8,670.93

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Solution

The fourth proportional to 26,188.80, 39,288.60 and 8,670.93 is: 13,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.80 : 39,288.60 = 8,670.93 : x
  2. Step 2: Convert to fraction form
    26,188.80/39,288.60 = 8,670.93/x
  3. Step 3: Cross multiply
    26,188.80x = 39,288.60 × 8,670.93
  4. Step 4: Simplify right side
    26,188.80x = 340,668,700.40
  5. Step 5: Solve for x
    x = 340,668,700.40/26,188.80
  6. Step 6: Final answer
    x = 13,008.18

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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.