Home / 28,484.61-42,726.72-11,617.55

Finding the Fourth Proportional to 28,484.61, 42,726.72 and 11,617.55

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Solution

The fourth proportional to 28,484.61, 42,726.72 and 11,617.55 is: 17,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.61 : 42,726.72 = 11,617.55 : x
  2. Step 2: Convert to fraction form
    28,484.61/42,726.72 = 11,617.55/x
  3. Step 3: Cross multiply
    28,484.61x = 42,726.72 × 11,617.55
  4. Step 4: Simplify right side
    28,484.61x = 496,379,805.94
  5. Step 5: Solve for x
    x = 496,379,805.94/28,484.61
  6. Step 6: Final answer
    x = 17,426.25

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1.5x scale

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.