Home / 28,029.68-38,700.72-17,984

Finding the Fourth Proportional to 28,029.68, 38,700.72 and 17,984

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Solution

The fourth proportional to 28,029.68, 38,700.72 and 17,984 is: 24,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029.68 : 38,700.72 = 17,984 : x
  2. Step 2: Convert to fraction form
    28,029.68/38,700.72 = 17,984/x
  3. Step 3: Cross multiply
    28,029.68x = 38,700.72 × 17,984
  4. Step 4: Simplify right side
    28,029.68x = 695,993,748.48
  5. Step 5: Solve for x
    x = 695,993,748.48/28,029.68
  6. Step 6: Final answer
    x = 24,830.60

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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.