Home / 21,365.92-29,462.32-14,661.32

Finding the Fourth Proportional to 21,365.92, 29,462.32 and 14,661.32

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Solution

The fourth proportional to 21,365.92, 29,462.32 and 14,661.32 is: 20,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,365.92 : 29,462.32 = 14,661.32 : x
  2. Step 2: Convert to fraction form
    21,365.92/29,462.32 = 14,661.32/x
  3. Step 3: Cross multiply
    21,365.92x = 29,462.32 × 14,661.32
  4. Step 4: Simplify right side
    21,365.92x = 431,956,501.46
  5. Step 5: Solve for x
    x = 431,956,501.46/21,365.92
  6. Step 6: Final answer
    x = 20,217.08

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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.