Home / 21,460.48-29,550.32-19,035.60

Finding the Fourth Proportional to 21,460.48, 29,550.32 and 19,035.60

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Solution

The fourth proportional to 21,460.48, 29,550.32 and 19,035.60 is: 26,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.48 : 29,550.32 = 19,035.60 : x
  2. Step 2: Convert to fraction form
    21,460.48/29,550.32 = 19,035.60/x
  3. Step 3: Cross multiply
    21,460.48x = 29,550.32 × 19,035.60
  4. Step 4: Simplify right side
    21,460.48x = 562,508,071.39
  5. Step 5: Solve for x
    x = 562,508,071.39/21,460.48
  6. Step 6: Final answer
    x = 26,211.35

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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.