Home / 28,357.65-42,562.76-14,327.56

Finding the Fourth Proportional to 28,357.65, 42,562.76 and 14,327.56

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Solution

The fourth proportional to 28,357.65, 42,562.76 and 14,327.56 is: 21,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357.65 : 42,562.76 = 14,327.56 : x
  2. Step 2: Convert to fraction form
    28,357.65/42,562.76 = 14,327.56/x
  3. Step 3: Cross multiply
    28,357.65x = 42,562.76 × 14,327.56
  4. Step 4: Simplify right side
    28,357.65x = 609,820,427.08
  5. Step 5: Solve for x
    x = 609,820,427.08/28,357.65
  6. Step 6: Final answer
    x = 21,504.62

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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.