Home / 29,088.78-40,141.44-17,777.20

Finding the Fourth Proportional to 29,088.78, 40,141.44 and 17,777.20

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Solution

The fourth proportional to 29,088.78, 40,141.44 and 17,777.20 is: 24,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,088.78 : 40,141.44 = 17,777.20 : x
  2. Step 2: Convert to fraction form
    29,088.78/40,141.44 = 17,777.20/x
  3. Step 3: Cross multiply
    29,088.78x = 40,141.44 × 17,777.20
  4. Step 4: Simplify right side
    29,088.78x = 713,602,407.17
  5. Step 5: Solve for x
    x = 713,602,407.17/29,088.78
  6. Step 6: Final answer
    x = 24,531.88

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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.