Home / 38,988.16-58,488-11,282.56

Finding the Fourth Proportional to 38,988.16, 58,488 and 11,282.56

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Solution

The fourth proportional to 38,988.16, 58,488 and 11,282.56 is: 16,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.16 : 58,488 = 11,282.56 : x
  2. Step 2: Convert to fraction form
    38,988.16/58,488 = 11,282.56/x
  3. Step 3: Cross multiply
    38,988.16x = 58,488 × 11,282.56
  4. Step 4: Simplify right side
    38,988.16x = 659,894,369.28
  5. Step 5: Solve for x
    x = 659,894,369.28/38,988.16
  6. Step 6: Final answer
    x = 16,925.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.