Home / 28,016.99-42,041.28-15,535.45

Finding the Fourth Proportional to 28,016.99, 42,041.28 and 15,535.45

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Solution

The fourth proportional to 28,016.99, 42,041.28 and 15,535.45 is: 23,311.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016.99 : 42,041.28 = 15,535.45 : x
  2. Step 2: Convert to fraction form
    28,016.99/42,041.28 = 15,535.45/x
  3. Step 3: Cross multiply
    28,016.99x = 42,041.28 × 15,535.45
  4. Step 4: Simplify right side
    28,016.99x = 653,129,990.32
  5. Step 5: Solve for x
    x = 653,129,990.32/28,016.99
  6. Step 6: Final answer
    x = 23,311.93

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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.