Home / 26,218.01-39,332.78-19,271.45

Finding the Fourth Proportional to 26,218.01, 39,332.78 and 19,271.45

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Solution

The fourth proportional to 26,218.01, 39,332.78 and 19,271.45 is: 28,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218.01 : 39,332.78 = 19,271.45 : x
  2. Step 2: Convert to fraction form
    26,218.01/39,332.78 = 19,271.45/x
  3. Step 3: Cross multiply
    26,218.01x = 39,332.78 × 19,271.45
  4. Step 4: Simplify right side
    26,218.01x = 757,999,703.13
  5. Step 5: Solve for x
    x = 757,999,703.13/26,218.01
  6. Step 6: Final answer
    x = 28,911.41

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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.