Home / 28,424.16-42,618.01-11,795.67

Finding the Fourth Proportional to 28,424.16, 42,618.01 and 11,795.67

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Solution

The fourth proportional to 28,424.16, 42,618.01 and 11,795.67 is: 17,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,424.16 : 42,618.01 = 11,795.67 : x
  2. Step 2: Convert to fraction form
    28,424.16/42,618.01 = 11,795.67/x
  3. Step 3: Cross multiply
    28,424.16x = 42,618.01 × 11,795.67
  4. Step 4: Simplify right side
    28,424.16x = 502,707,982.02
  5. Step 5: Solve for x
    x = 502,707,982.02/28,424.16
  6. Step 6: Final answer
    x = 17,685.94

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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.