Home / 19,507.92-29,130.26-19,301.90

Finding the Fourth Proportional to 19,507.92, 29,130.26 and 19,301.90

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Solution

The fourth proportional to 19,507.92, 29,130.26 and 19,301.90 is: 28,822.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,507.92 : 29,130.26 = 19,301.90 : x
  2. Step 2: Convert to fraction form
    19,507.92/29,130.26 = 19,301.90/x
  3. Step 3: Cross multiply
    19,507.92x = 29,130.26 × 19,301.90
  4. Step 4: Simplify right side
    19,507.92x = 562,269,365.49
  5. Step 5: Solve for x
    x = 562,269,365.49/19,507.92
  6. Step 6: Final answer
    x = 28,822.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.