Home / 28,353.16-42,533.66-12,556.94

Finding the Fourth Proportional to 28,353.16, 42,533.66 and 12,556.94

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Solution

The fourth proportional to 28,353.16, 42,533.66 and 12,556.94 is: 18,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353.16 : 42,533.66 = 12,556.94 : x
  2. Step 2: Convert to fraction form
    28,353.16/42,533.66 = 12,556.94/x
  3. Step 3: Cross multiply
    28,353.16x = 42,533.66 × 12,556.94
  4. Step 4: Simplify right side
    28,353.16x = 534,092,754.33
  5. Step 5: Solve for x
    x = 534,092,754.33/28,353.16
  6. Step 6: Final answer
    x = 18,837.15

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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.