Home / 28,330.64-42,475.22-14,283.73

Finding the Fourth Proportional to 28,330.64, 42,475.22 and 14,283.73

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Solution

The fourth proportional to 28,330.64, 42,475.22 and 14,283.73 is: 21,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.64 : 42,475.22 = 14,283.73 : x
  2. Step 2: Convert to fraction form
    28,330.64/42,475.22 = 14,283.73/x
  3. Step 3: Cross multiply
    28,330.64x = 42,475.22 × 14,283.73
  4. Step 4: Simplify right side
    28,330.64x = 606,704,574.17
  5. Step 5: Solve for x
    x = 606,704,574.17/28,330.64
  6. Step 6: Final answer
    x = 21,415.14

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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.