Home / 28,534.18-39,378.99-15,959.02

Finding the Fourth Proportional to 28,534.18, 39,378.99 and 15,959.02

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Solution

The fourth proportional to 28,534.18, 39,378.99 and 15,959.02 is: 22,024.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534.18 : 39,378.99 = 15,959.02 : x
  2. Step 2: Convert to fraction form
    28,534.18/39,378.99 = 15,959.02/x
  3. Step 3: Cross multiply
    28,534.18x = 39,378.99 × 15,959.02
  4. Step 4: Simplify right side
    28,534.18x = 628,450,088.99
  5. Step 5: Solve for x
    x = 628,450,088.99/28,534.18
  6. Step 6: Final answer
    x = 22,024.47

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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.