Home / 29,235.48-40,344.95-15,806.73

Finding the Fourth Proportional to 29,235.48, 40,344.95 and 15,806.73

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Solution

The fourth proportional to 29,235.48, 40,344.95 and 15,806.73 is: 21,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,235.48 : 40,344.95 = 15,806.73 : x
  2. Step 2: Convert to fraction form
    29,235.48/40,344.95 = 15,806.73/x
  3. Step 3: Cross multiply
    29,235.48x = 40,344.95 × 15,806.73
  4. Step 4: Simplify right side
    29,235.48x = 637,721,731.51
  5. Step 5: Solve for x
    x = 637,721,731.51/29,235.48
  6. Step 6: Final answer
    x = 21,813.28

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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.