Home / 19,176.52-28,764.54-5,325.40

Finding the Fourth Proportional to 19,176.52, 28,764.54 and 5,325.40

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Solution

The fourth proportional to 19,176.52, 28,764.54 and 5,325.40 is: 7,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.52 : 28,764.54 = 5,325.40 : x
  2. Step 2: Convert to fraction form
    19,176.52/28,764.54 = 5,325.40/x
  3. Step 3: Cross multiply
    19,176.52x = 28,764.54 × 5,325.40
  4. Step 4: Simplify right side
    19,176.52x = 153,182,681.32
  5. Step 5: Solve for x
    x = 153,182,681.32/19,176.52
  6. Step 6: Final answer
    x = 7,988.03

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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.