Home / 28,256.96-38,995.43-16,159.48

Finding the Fourth Proportional to 28,256.96, 38,995.43 and 16,159.48

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Solution

The fourth proportional to 28,256.96, 38,995.43 and 16,159.48 is: 22,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.96 : 38,995.43 = 16,159.48 : x
  2. Step 2: Convert to fraction form
    28,256.96/38,995.43 = 16,159.48/x
  3. Step 3: Cross multiply
    28,256.96x = 38,995.43 × 16,159.48
  4. Step 4: Simplify right side
    28,256.96x = 630,145,692.89
  5. Step 5: Solve for x
    x = 630,145,692.89/28,256.96
  6. Step 6: Final answer
    x = 22,300.55

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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.