Home / 19,207.65-28,829.70-16,437.45

Finding the Fourth Proportional to 19,207.65, 28,829.70 and 16,437.45

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Solution

The fourth proportional to 19,207.65, 28,829.70 and 16,437.45 is: 24,671.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.65 : 28,829.70 = 16,437.45 : x
  2. Step 2: Convert to fraction form
    19,207.65/28,829.70 = 16,437.45/x
  3. Step 3: Cross multiply
    19,207.65x = 28,829.70 × 16,437.45
  4. Step 4: Simplify right side
    19,207.65x = 473,886,752.27
  5. Step 5: Solve for x
    x = 473,886,752.27/19,207.65
  6. Step 6: Final answer
    x = 24,671.77

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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.