Home / 26,683.65-36,826.29-15,353.64

Finding the Fourth Proportional to 26,683.65, 36,826.29 and 15,353.64

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Solution

The fourth proportional to 26,683.65, 36,826.29 and 15,353.64 is: 21,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,683.65 : 36,826.29 = 15,353.64 : x
  2. Step 2: Convert to fraction form
    26,683.65/36,826.29 = 15,353.64/x
  3. Step 3: Cross multiply
    26,683.65x = 36,826.29 × 15,353.64
  4. Step 4: Simplify right side
    26,683.65x = 565,417,599.20
  5. Step 5: Solve for x
    x = 565,417,599.20/26,683.65
  6. Step 6: Final answer
    x = 21,189.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.