Home / 28,152.16-42,214.57-10,623.35

Finding the Fourth Proportional to 28,152.16, 42,214.57 and 10,623.35

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Solution

The fourth proportional to 28,152.16, 42,214.57 and 10,623.35 is: 15,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152.16 : 42,214.57 = 10,623.35 : x
  2. Step 2: Convert to fraction form
    28,152.16/42,214.57 = 10,623.35/x
  3. Step 3: Cross multiply
    28,152.16x = 42,214.57 × 10,623.35
  4. Step 4: Simplify right side
    28,152.16x = 448,460,231.19
  5. Step 5: Solve for x
    x = 448,460,231.19/28,152.16
  6. Step 6: Final answer
    x = 15,929.87

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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.