Home / 26,409.68-39,615.96-6,688.41

Finding the Fourth Proportional to 26,409.68, 39,615.96 and 6,688.41

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Solution

The fourth proportional to 26,409.68, 39,615.96 and 6,688.41 is: 10,032.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.68 : 39,615.96 = 6,688.41 : x
  2. Step 2: Convert to fraction form
    26,409.68/39,615.96 = 6,688.41/x
  3. Step 3: Cross multiply
    26,409.68x = 39,615.96 × 6,688.41
  4. Step 4: Simplify right side
    26,409.68x = 264,967,783.02
  5. Step 5: Solve for x
    x = 264,967,783.02/26,409.68
  6. Step 6: Final answer
    x = 10,032.98

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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.