Home / 29,221.47-40,328.64-17,898.48

Finding the Fourth Proportional to 29,221.47, 40,328.64 and 17,898.48

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Solution

The fourth proportional to 29,221.47, 40,328.64 and 17,898.48 is: 24,701.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,221.47 : 40,328.64 = 17,898.48 : x
  2. Step 2: Convert to fraction form
    29,221.47/40,328.64 = 17,898.48/x
  3. Step 3: Cross multiply
    29,221.47x = 40,328.64 × 17,898.48
  4. Step 4: Simplify right side
    29,221.47x = 721,821,356.47
  5. Step 5: Solve for x
    x = 721,821,356.47/29,221.47
  6. Step 6: Final answer
    x = 24,701.75

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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.