Home / 26,458.68-39,688.02-12,565.56

Finding the Fourth Proportional to 26,458.68, 39,688.02 and 12,565.56

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Solution

The fourth proportional to 26,458.68, 39,688.02 and 12,565.56 is: 18,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,458.68 : 39,688.02 = 12,565.56 : x
  2. Step 2: Convert to fraction form
    26,458.68/39,688.02 = 12,565.56/x
  3. Step 3: Cross multiply
    26,458.68x = 39,688.02 × 12,565.56
  4. Step 4: Simplify right side
    26,458.68x = 498,702,196.59
  5. Step 5: Solve for x
    x = 498,702,196.59/26,458.68
  6. Step 6: Final answer
    x = 18,848.34

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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.