Home / 26,000.17-38,971.69-10,200.45

Finding the Fourth Proportional to 26,000.17, 38,971.69 and 10,200.45

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Solution

The fourth proportional to 26,000.17, 38,971.69 and 10,200.45 is: 15,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.17 : 38,971.69 = 10,200.45 : x
  2. Step 2: Convert to fraction form
    26,000.17/38,971.69 = 10,200.45/x
  3. Step 3: Cross multiply
    26,000.17x = 38,971.69 × 10,200.45
  4. Step 4: Simplify right side
    26,000.17x = 397,528,775.26
  5. Step 5: Solve for x
    x = 397,528,775.26/26,000.17
  6. Step 6: Final answer
    x = 15,289.47

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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.