Home / 28,320.95-42,488.40-14,096.20

Finding the Fourth Proportional to 28,320.95, 42,488.40 and 14,096.20

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Solution

The fourth proportional to 28,320.95, 42,488.40 and 14,096.20 is: 21,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320.95 : 42,488.40 = 14,096.20 : x
  2. Step 2: Convert to fraction form
    28,320.95/42,488.40 = 14,096.20/x
  3. Step 3: Cross multiply
    28,320.95x = 42,488.40 × 14,096.20
  4. Step 4: Simplify right side
    28,320.95x = 598,924,771.64
  5. Step 5: Solve for x
    x = 598,924,771.64/28,320.95
  6. Step 6: Final answer
    x = 21,147.77

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1.5x scale

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.