Home / 26,666.79-39,971.73-20,072.58

Finding the Fourth Proportional to 26,666.79, 39,971.73 and 20,072.58

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Solution

The fourth proportional to 26,666.79, 39,971.73 and 20,072.58 is: 30,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,666.79 : 39,971.73 = 20,072.58 : x
  2. Step 2: Convert to fraction form
    26,666.79/39,971.73 = 20,072.58/x
  3. Step 3: Cross multiply
    26,666.79x = 39,971.73 × 20,072.58
  4. Step 4: Simplify right side
    26,666.79x = 802,335,748.16
  5. Step 5: Solve for x
    x = 802,335,748.16/26,666.79
  6. Step 6: Final answer
    x = 30,087.45

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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.