Home / 28,069.60-42,026.64-14,150.56

Finding the Fourth Proportional to 28,069.60, 42,026.64 and 14,150.56

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Solution

The fourth proportional to 28,069.60, 42,026.64 and 14,150.56 is: 21,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.60 : 42,026.64 = 14,150.56 : x
  2. Step 2: Convert to fraction form
    28,069.60/42,026.64 = 14,150.56/x
  3. Step 3: Cross multiply
    28,069.60x = 42,026.64 × 14,150.56
  4. Step 4: Simplify right side
    28,069.60x = 594,700,490.92
  5. Step 5: Solve for x
    x = 594,700,490.92/28,069.60
  6. Step 6: Final answer
    x = 21,186.64

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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.