Home / 28,267.73-39,011.85-15,523.07

Finding the Fourth Proportional to 28,267.73, 39,011.85 and 15,523.07

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Solution

The fourth proportional to 28,267.73, 39,011.85 and 15,523.07 is: 21,423.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.73 : 39,011.85 = 15,523.07 : x
  2. Step 2: Convert to fraction form
    28,267.73/39,011.85 = 15,523.07/x
  3. Step 3: Cross multiply
    28,267.73x = 39,011.85 × 15,523.07
  4. Step 4: Simplify right side
    28,267.73x = 605,583,483.32
  5. Step 5: Solve for x
    x = 605,583,483.32/28,267.73
  6. Step 6: Final answer
    x = 21,423.14

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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.