Home / 29,363.06-40,271.87-28,157.47

Finding the Fourth Proportional to 29,363.06, 40,271.87 and 28,157.47

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Solution

The fourth proportional to 29,363.06, 40,271.87 and 28,157.47 is: 38,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,363.06 : 40,271.87 = 28,157.47 : x
  2. Step 2: Convert to fraction form
    29,363.06/40,271.87 = 28,157.47/x
  3. Step 3: Cross multiply
    29,363.06x = 40,271.87 × 28,157.47
  4. Step 4: Simplify right side
    29,363.06x = 1,133,953,971.37
  5. Step 5: Solve for x
    x = 1,133,953,971.37/29,363.06
  6. Step 6: Final answer
    x = 38,618.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.