Home / 28,084.64-42,094.56-10,543.28

Finding the Fourth Proportional to 28,084.64, 42,094.56 and 10,543.28

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Solution

The fourth proportional to 28,084.64, 42,094.56 and 10,543.28 is: 15,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.64 : 42,094.56 = 10,543.28 : x
  2. Step 2: Convert to fraction form
    28,084.64/42,094.56 = 10,543.28/x
  3. Step 3: Cross multiply
    28,084.64x = 42,094.56 × 10,543.28
  4. Step 4: Simplify right side
    28,084.64x = 443,814,732.56
  5. Step 5: Solve for x
    x = 443,814,732.56/28,084.64
  6. Step 6: Final answer
    x = 15,802.76

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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.