Home / 28,010.40-38,652.72-17,400.96

Finding the Fourth Proportional to 28,010.40, 38,652.72 and 17,400.96

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Solution

The fourth proportional to 28,010.40, 38,652.72 and 17,400.96 is: 24,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.40 : 38,652.72 = 17,400.96 : x
  2. Step 2: Convert to fraction form
    28,010.40/38,652.72 = 17,400.96/x
  3. Step 3: Cross multiply
    28,010.40x = 38,652.72 × 17,400.96
  4. Step 4: Simplify right side
    28,010.40x = 672,594,434.61
  5. Step 5: Solve for x
    x = 672,594,434.61/28,010.40
  6. Step 6: Final answer
    x = 24,012.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.