Home / 28,059.84-42,088.16-10,528.24

Finding the Fourth Proportional to 28,059.84, 42,088.16 and 10,528.24

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Solution

The fourth proportional to 28,059.84, 42,088.16 and 10,528.24 is: 15,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.84 : 42,088.16 = 10,528.24 : x
  2. Step 2: Convert to fraction form
    28,059.84/42,088.16 = 10,528.24/x
  3. Step 3: Cross multiply
    28,059.84x = 42,088.16 × 10,528.24
  4. Step 4: Simplify right side
    28,059.84x = 443,114,249.64
  5. Step 5: Solve for x
    x = 443,114,249.64/28,059.84
  6. Step 6: Final answer
    x = 15,791.76

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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.