Home / 57,900.28-86,849.40-18,457.06

Finding the Fourth Proportional to 57,900.28, 86,849.40 and 18,457.06

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Solution

The fourth proportional to 57,900.28, 86,849.40 and 18,457.06 is: 27,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,900.28 : 86,849.40 = 18,457.06 : x
  2. Step 2: Convert to fraction form
    57,900.28/86,849.40 = 18,457.06/x
  3. Step 3: Cross multiply
    57,900.28x = 86,849.40 × 18,457.06
  4. Step 4: Simplify right side
    57,900.28x = 1,602,984,586.76
  5. Step 5: Solve for x
    x = 1,602,984,586.76/57,900.28
  6. Step 6: Final answer
    x = 27,685.26

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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.