Home / 26,457.05-39,685.58-20,618.03

Finding the Fourth Proportional to 26,457.05, 39,685.58 and 20,618.03

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Solution

The fourth proportional to 26,457.05, 39,685.58 and 20,618.03 is: 30,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457.05 : 39,685.58 = 20,618.03 : x
  2. Step 2: Convert to fraction form
    26,457.05/39,685.58 = 20,618.03/x
  3. Step 3: Cross multiply
    26,457.05x = 39,685.58 × 20,618.03
  4. Step 4: Simplify right side
    26,457.05x = 818,238,479.01
  5. Step 5: Solve for x
    x = 818,238,479.01/26,457.05
  6. Step 6: Final answer
    x = 30,927.05

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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.