Home / 28,045.06-42,065.92-10,513.42

Finding the Fourth Proportional to 28,045.06, 42,065.92 and 10,513.42

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Solution

The fourth proportional to 28,045.06, 42,065.92 and 10,513.42 is: 15,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.06 : 42,065.92 = 10,513.42 : x
  2. Step 2: Convert to fraction form
    28,045.06/42,065.92 = 10,513.42/x
  3. Step 3: Cross multiply
    28,045.06x = 42,065.92 × 10,513.42
  4. Step 4: Simplify right side
    28,045.06x = 442,256,684.65
  5. Step 5: Solve for x
    x = 442,256,684.65/28,045.06
  6. Step 6: Final answer
    x = 15,769.50

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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.