Home / 24,388.34-33,643.54-15,420.74

Finding the Fourth Proportional to 24,388.34, 33,643.54 and 15,420.74

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Solution

The fourth proportional to 24,388.34, 33,643.54 and 15,420.74 is: 21,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,388.34 : 33,643.54 = 15,420.74 : x
  2. Step 2: Convert to fraction form
    24,388.34/33,643.54 = 15,420.74/x
  3. Step 3: Cross multiply
    24,388.34x = 33,643.54 × 15,420.74
  4. Step 4: Simplify right side
    24,388.34x = 518,808,076.25
  5. Step 5: Solve for x
    x = 518,808,076.25/24,388.34
  6. Step 6: Final answer
    x = 21,272.80

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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.