Home / 28,646.76-42,964.58-14,411.46

Finding the Fourth Proportional to 28,646.76, 42,964.58 and 14,411.46

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Solution

The fourth proportional to 28,646.76, 42,964.58 and 14,411.46 is: 21,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,646.76 : 42,964.58 = 14,411.46 : x
  2. Step 2: Convert to fraction form
    28,646.76/42,964.58 = 14,411.46/x
  3. Step 3: Cross multiply
    28,646.76x = 42,964.58 × 14,411.46
  4. Step 4: Simplify right side
    28,646.76x = 619,182,326.09
  5. Step 5: Solve for x
    x = 619,182,326.09/28,646.76
  6. Step 6: Final answer
    x = 21,614.39

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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.