Home / 28,459.22-39,275.69-16,523.87

Finding the Fourth Proportional to 28,459.22, 39,275.69 and 16,523.87

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Solution

The fourth proportional to 28,459.22, 39,275.69 and 16,523.87 is: 22,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459.22 : 39,275.69 = 16,523.87 : x
  2. Step 2: Convert to fraction form
    28,459.22/39,275.69 = 16,523.87/x
  3. Step 3: Cross multiply
    28,459.22x = 39,275.69 × 16,523.87
  4. Step 4: Simplify right side
    28,459.22x = 648,986,116.72
  5. Step 5: Solve for x
    x = 648,986,116.72/28,459.22
  6. Step 6: Final answer
    x = 22,804.08

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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.