Home / 26,457.30-39,683.51-8,927.28

Finding the Fourth Proportional to 26,457.30, 39,683.51 and 8,927.28

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Solution

The fourth proportional to 26,457.30, 39,683.51 and 8,927.28 is: 13,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457.30 : 39,683.51 = 8,927.28 : x
  2. Step 2: Convert to fraction form
    26,457.30/39,683.51 = 8,927.28/x
  3. Step 3: Cross multiply
    26,457.30x = 39,683.51 × 8,927.28
  4. Step 4: Simplify right side
    26,457.30x = 354,265,760.52
  5. Step 5: Solve for x
    x = 354,265,760.52/26,457.30
  6. Step 6: Final answer
    x = 13,390.10

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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.