Home / 28,301.46-39,068.10-17,688.84

Finding the Fourth Proportional to 28,301.46, 39,068.10 and 17,688.84

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Solution

The fourth proportional to 28,301.46, 39,068.10 and 17,688.84 is: 24,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.46 : 39,068.10 = 17,688.84 : x
  2. Step 2: Convert to fraction form
    28,301.46/39,068.10 = 17,688.84/x
  3. Step 3: Cross multiply
    28,301.46x = 39,068.10 × 17,688.84
  4. Step 4: Simplify right side
    28,301.46x = 691,069,370.00
  5. Step 5: Solve for x
    x = 691,069,370.00/28,301.46
  6. Step 6: Final answer
    x = 24,418.15

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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.