Home / 58,428.36-87,622.65-18,975.69

Finding the Fourth Proportional to 58,428.36, 87,622.65 and 18,975.69

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Solution

The fourth proportional to 58,428.36, 87,622.65 and 18,975.69 is: 28,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,428.36 : 87,622.65 = 18,975.69 : x
  2. Step 2: Convert to fraction form
    58,428.36/87,622.65 = 18,975.69/x
  3. Step 3: Cross multiply
    58,428.36x = 87,622.65 × 18,975.69
  4. Step 4: Simplify right side
    58,428.36x = 1,662,700,243.38
  5. Step 5: Solve for x
    x = 1,662,700,243.38/58,428.36
  6. Step 6: Final answer
    x = 28,457.08

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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.