Home / 28,079.64-42,087.06-10,538.28

Finding the Fourth Proportional to 28,079.64, 42,087.06 and 10,538.28

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Solution

The fourth proportional to 28,079.64, 42,087.06 and 10,538.28 is: 15,795.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.64 : 42,087.06 = 10,538.28 : x
  2. Step 2: Convert to fraction form
    28,079.64/42,087.06 = 10,538.28/x
  3. Step 3: Cross multiply
    28,079.64x = 42,087.06 × 10,538.28
  4. Step 4: Simplify right side
    28,079.64x = 443,525,222.66
  5. Step 5: Solve for x
    x = 443,525,222.66/28,079.64
  6. Step 6: Final answer
    x = 15,795.26

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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.