Home / 28,327.41-42,501.59-11,688.89

Finding the Fourth Proportional to 28,327.41, 42,501.59 and 11,688.89

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Solution

The fourth proportional to 28,327.41, 42,501.59 and 11,688.89 is: 17,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.41 : 42,501.59 = 11,688.89 : x
  2. Step 2: Convert to fraction form
    28,327.41/42,501.59 = 11,688.89/x
  3. Step 3: Cross multiply
    28,327.41x = 42,501.59 × 11,688.89
  4. Step 4: Simplify right side
    28,327.41x = 496,796,139.38
  5. Step 5: Solve for x
    x = 496,796,139.38/28,327.41
  6. Step 6: Final answer
    x = 17,537.65

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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.