Home / 28,559.31-42,878.29-14,528.84

Finding the Fourth Proportional to 28,559.31, 42,878.29 and 14,528.84

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Solution

The fourth proportional to 28,559.31, 42,878.29 and 14,528.84 is: 21,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.31 : 42,878.29 = 14,528.84 : x
  2. Step 2: Convert to fraction form
    28,559.31/42,878.29 = 14,528.84/x
  3. Step 3: Cross multiply
    28,559.31x = 42,878.29 × 14,528.84
  4. Step 4: Simplify right side
    28,559.31x = 622,971,814.88
  5. Step 5: Solve for x
    x = 622,971,814.88/28,559.31
  6. Step 6: Final answer
    x = 21,813.27

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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.