Home / 28,098.59-42,143.63-10,564.31

Finding the Fourth Proportional to 28,098.59, 42,143.63 and 10,564.31

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Solution

The fourth proportional to 28,098.59, 42,143.63 and 10,564.31 is: 15,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098.59 : 42,143.63 = 10,564.31 : x
  2. Step 2: Convert to fraction form
    28,098.59/42,143.63 = 10,564.31/x
  3. Step 3: Cross multiply
    28,098.59x = 42,143.63 × 10,564.31
  4. Step 4: Simplify right side
    28,098.59x = 445,218,424.38
  5. Step 5: Solve for x
    x = 445,218,424.38/28,098.59
  6. Step 6: Final answer
    x = 15,844.87

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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.