Home / 28,048.38-42,090.80-14,909.98

Finding the Fourth Proportional to 28,048.38, 42,090.80 and 14,909.98

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Solution

The fourth proportional to 28,048.38, 42,090.80 and 14,909.98 is: 22,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.38 : 42,090.80 = 14,909.98 : x
  2. Step 2: Convert to fraction form
    28,048.38/42,090.80 = 14,909.98/x
  3. Step 3: Cross multiply
    28,048.38x = 42,090.80 × 14,909.98
  4. Step 4: Simplify right side
    28,048.38x = 627,572,986.18
  5. Step 5: Solve for x
    x = 627,572,986.18/28,048.38
  6. Step 6: Final answer
    x = 22,374.66

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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.