Home / 28,435.68-42,653.52-14,575.84

Finding the Fourth Proportional to 28,435.68, 42,653.52 and 14,575.84

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Solution

The fourth proportional to 28,435.68, 42,653.52 and 14,575.84 is: 21,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435.68 : 42,653.52 = 14,575.84 : x
  2. Step 2: Convert to fraction form
    28,435.68/42,653.52 = 14,575.84/x
  3. Step 3: Cross multiply
    28,435.68x = 42,653.52 × 14,575.84
  4. Step 4: Simplify right side
    28,435.68x = 621,710,882.96
  5. Step 5: Solve for x
    x = 621,710,882.96/28,435.68
  6. Step 6: Final answer
    x = 21,863.76

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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.