Home / 28,529.76-42,778.44-23,878.74

Finding the Fourth Proportional to 28,529.76, 42,778.44 and 23,878.74

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Solution

The fourth proportional to 28,529.76, 42,778.44 and 23,878.74 is: 35,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.76 : 42,778.44 = 23,878.74 : x
  2. Step 2: Convert to fraction form
    28,529.76/42,778.44 = 23,878.74/x
  3. Step 3: Cross multiply
    28,529.76x = 42,778.44 × 23,878.74
  4. Step 4: Simplify right side
    28,529.76x = 1,021,495,246.37
  5. Step 5: Solve for x
    x = 1,021,495,246.37/28,529.76
  6. Step 6: Final answer
    x = 35,804.55

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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.