Home / 29,266.63-40,387.95-15,837.89

Finding the Fourth Proportional to 29,266.63, 40,387.95 and 15,837.89

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Solution

The fourth proportional to 29,266.63, 40,387.95 and 15,837.89 is: 21,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,266.63 : 40,387.95 = 15,837.89 : x
  2. Step 2: Convert to fraction form
    29,266.63/40,387.95 = 15,837.89/x
  3. Step 3: Cross multiply
    29,266.63x = 40,387.95 × 15,837.89
  4. Step 4: Simplify right side
    29,266.63x = 639,659,707.49
  5. Step 5: Solve for x
    x = 639,659,707.49/29,266.63
  6. Step 6: Final answer
    x = 21,856.28

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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.