Home / 28,406.32-42,615.63-10,876.14

Finding the Fourth Proportional to 28,406.32, 42,615.63 and 10,876.14

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Solution

The fourth proportional to 28,406.32, 42,615.63 and 10,876.14 is: 16,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406.32 : 42,615.63 = 10,876.14 : x
  2. Step 2: Convert to fraction form
    28,406.32/42,615.63 = 10,876.14/x
  3. Step 3: Cross multiply
    28,406.32x = 42,615.63 × 10,876.14
  4. Step 4: Simplify right side
    28,406.32x = 463,493,558.07
  5. Step 5: Solve for x
    x = 463,493,558.07/28,406.32
  6. Step 6: Final answer
    x = 16,316.56

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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.