Home / 28,095.09-42,148.79-10,564.91

Finding the Fourth Proportional to 28,095.09, 42,148.79 and 10,564.91

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Solution

The fourth proportional to 28,095.09, 42,148.79 and 10,564.91 is: 15,849.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,095.09 : 42,148.79 = 10,564.91 : x
  2. Step 2: Convert to fraction form
    28,095.09/42,148.79 = 10,564.91/x
  3. Step 3: Cross multiply
    28,095.09x = 42,148.79 × 10,564.91
  4. Step 4: Simplify right side
    28,095.09x = 445,298,107.07
  5. Step 5: Solve for x
    x = 445,298,107.07/28,095.09
  6. Step 6: Final answer
    x = 15,849.68

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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.