Home / 29,235.47-40,344.95-15,806.72

Finding the Fourth Proportional to 29,235.47, 40,344.95 and 15,806.72

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Solution

The fourth proportional to 29,235.47, 40,344.95 and 15,806.72 is: 21,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,235.47 : 40,344.95 = 15,806.72 : x
  2. Step 2: Convert to fraction form
    29,235.47/40,344.95 = 15,806.72/x
  3. Step 3: Cross multiply
    29,235.47x = 40,344.95 × 15,806.72
  4. Step 4: Simplify right side
    29,235.47x = 637,721,328.06
  5. Step 5: Solve for x
    x = 637,721,328.06/29,235.47
  6. Step 6: Final answer
    x = 21,813.27

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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.