Home / 28,587.10-42,867.09-10,569.46

Finding the Fourth Proportional to 28,587.10, 42,867.09 and 10,569.46

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Solution

The fourth proportional to 28,587.10, 42,867.09 and 10,569.46 is: 15,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.10 : 42,867.09 = 10,569.46 : x
  2. Step 2: Convert to fraction form
    28,587.10/42,867.09 = 10,569.46/x
  3. Step 3: Cross multiply
    28,587.10x = 42,867.09 × 10,569.46
  4. Step 4: Simplify right side
    28,587.10x = 453,081,993.07
  5. Step 5: Solve for x
    x = 453,081,993.07/28,587.10
  6. Step 6: Final answer
    x = 15,849.18

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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.