Home / 28,159.41-38,869.70-16,227.51

Finding the Fourth Proportional to 28,159.41, 38,869.70 and 16,227.51

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Solution

The fourth proportional to 28,159.41, 38,869.70 and 16,227.51 is: 22,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159.41 : 38,869.70 = 16,227.51 : x
  2. Step 2: Convert to fraction form
    28,159.41/38,869.70 = 16,227.51/x
  3. Step 3: Cross multiply
    28,159.41x = 38,869.70 × 16,227.51
  4. Step 4: Simplify right side
    28,159.41x = 630,758,445.45
  5. Step 5: Solve for x
    x = 630,758,445.45/28,159.41
  6. Step 6: Final answer
    x = 22,399.56

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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.