Home / 26,665.44-39,967.08-20,070.40

Finding the Fourth Proportional to 26,665.44, 39,967.08 and 20,070.40

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Solution

The fourth proportional to 26,665.44, 39,967.08 and 20,070.40 is: 30,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.44 : 39,967.08 = 20,070.40 : x
  2. Step 2: Convert to fraction form
    26,665.44/39,967.08 = 20,070.40/x
  3. Step 3: Cross multiply
    26,665.44x = 39,967.08 × 20,070.40
  4. Step 4: Simplify right side
    26,665.44x = 802,155,282.43
  5. Step 5: Solve for x
    x = 802,155,282.43/26,665.44
  6. Step 6: Final answer
    x = 30,082.21

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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.