Home / 26,388.04-36,412.27-21,024.16

Finding the Fourth Proportional to 26,388.04, 36,412.27 and 21,024.16

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Solution

The fourth proportional to 26,388.04, 36,412.27 and 21,024.16 is: 29,010.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388.04 : 36,412.27 = 21,024.16 : x
  2. Step 2: Convert to fraction form
    26,388.04/36,412.27 = 21,024.16/x
  3. Step 3: Cross multiply
    26,388.04x = 36,412.27 × 21,024.16
  4. Step 4: Simplify right side
    26,388.04x = 765,537,390.44
  5. Step 5: Solve for x
    x = 765,537,390.44/26,388.04
  6. Step 6: Final answer
    x = 29,010.77

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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.