Home / 28,037.76-42,055.74-11,392.86

Finding the Fourth Proportional to 28,037.76, 42,055.74 and 11,392.86

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Solution

The fourth proportional to 28,037.76, 42,055.74 and 11,392.86 is: 17,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.76 : 42,055.74 = 11,392.86 : x
  2. Step 2: Convert to fraction form
    28,037.76/42,055.74 = 11,392.86/x
  3. Step 3: Cross multiply
    28,037.76x = 42,055.74 × 11,392.86
  4. Step 4: Simplify right side
    28,037.76x = 479,135,158.02
  5. Step 5: Solve for x
    x = 479,135,158.02/28,037.76
  6. Step 6: Final answer
    x = 17,088.92

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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.