Home / 21,461.48-29,551.70-19,036.60

Finding the Fourth Proportional to 21,461.48, 29,551.70 and 19,036.60

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Solution

The fourth proportional to 21,461.48, 29,551.70 and 19,036.60 is: 26,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,461.48 : 29,551.70 = 19,036.60 : x
  2. Step 2: Convert to fraction form
    21,461.48/29,551.70 = 19,036.60/x
  3. Step 3: Cross multiply
    21,461.48x = 29,551.70 × 19,036.60
  4. Step 4: Simplify right side
    21,461.48x = 562,563,892.22
  5. Step 5: Solve for x
    x = 562,563,892.22/21,461.48
  6. Step 6: Final answer
    x = 26,212.73

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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.