Home / 28,159.48-38,859.96-16,224.94

Finding the Fourth Proportional to 28,159.48, 38,859.96 and 16,224.94

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Solution

The fourth proportional to 28,159.48, 38,859.96 and 16,224.94 is: 22,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159.48 : 38,859.96 = 16,224.94 : x
  2. Step 2: Convert to fraction form
    28,159.48/38,859.96 = 16,224.94/x
  3. Step 3: Cross multiply
    28,159.48x = 38,859.96 × 16,224.94
  4. Step 4: Simplify right side
    28,159.48x = 630,500,519.40
  5. Step 5: Solve for x
    x = 630,500,519.40/28,159.48
  6. Step 6: Final answer
    x = 22,390.35

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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.