Home / 28,254.63-39,031.89-22,581.93

Finding the Fourth Proportional to 28,254.63, 39,031.89 and 22,581.93

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Solution

The fourth proportional to 28,254.63, 39,031.89 and 22,581.93 is: 31,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.63 : 39,031.89 = 22,581.93 : x
  2. Step 2: Convert to fraction form
    28,254.63/39,031.89 = 22,581.93/x
  3. Step 3: Cross multiply
    28,254.63x = 39,031.89 × 22,581.93
  4. Step 4: Simplify right side
    28,254.63x = 881,415,407.75
  5. Step 5: Solve for x
    x = 881,415,407.75/28,254.63
  6. Step 6: Final answer
    x = 31,195.43

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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.