Home / 26,478.24-39,725.68-10,903.20

Finding the Fourth Proportional to 26,478.24, 39,725.68 and 10,903.20

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Solution

The fourth proportional to 26,478.24, 39,725.68 and 10,903.20 is: 16,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.24 : 39,725.68 = 10,903.20 : x
  2. Step 2: Convert to fraction form
    26,478.24/39,725.68 = 10,903.20/x
  3. Step 3: Cross multiply
    26,478.24x = 39,725.68 × 10,903.20
  4. Step 4: Simplify right side
    26,478.24x = 433,137,034.18
  5. Step 5: Solve for x
    x = 433,137,034.18/26,478.24
  6. Step 6: Final answer
    x = 16,358.23

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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.