Home / 28,840.84-39,803.14-17,507.72

Finding the Fourth Proportional to 28,840.84, 39,803.14 and 17,507.72

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Solution

The fourth proportional to 28,840.84, 39,803.14 and 17,507.72 is: 24,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.84 : 39,803.14 = 17,507.72 : x
  2. Step 2: Convert to fraction form
    28,840.84/39,803.14 = 17,507.72/x
  3. Step 3: Cross multiply
    28,840.84x = 39,803.14 × 17,507.72
  4. Step 4: Simplify right side
    28,840.84x = 696,862,230.24
  5. Step 5: Solve for x
    x = 696,862,230.24/28,840.84
  6. Step 6: Final answer
    x = 24,162.34

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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.