Home / 28,043.22-42,052.52-10,500.74

Finding the Fourth Proportional to 28,043.22, 42,052.52 and 10,500.74

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Solution

The fourth proportional to 28,043.22, 42,052.52 and 10,500.74 is: 15,746.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.22 : 42,052.52 = 10,500.74 : x
  2. Step 2: Convert to fraction form
    28,043.22/42,052.52 = 10,500.74/x
  3. Step 3: Cross multiply
    28,043.22x = 42,052.52 × 10,500.74
  4. Step 4: Simplify right side
    28,043.22x = 441,582,578.86
  5. Step 5: Solve for x
    x = 441,582,578.86/28,043.22
  6. Step 6: Final answer
    x = 15,746.50

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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.