Home / 28,862.32-39,818.28-16,284.64

Finding the Fourth Proportional to 28,862.32, 39,818.28 and 16,284.64

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Solution

The fourth proportional to 28,862.32, 39,818.28 and 16,284.64 is: 22,466.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.32 : 39,818.28 = 16,284.64 : x
  2. Step 2: Convert to fraction form
    28,862.32/39,818.28 = 16,284.64/x
  3. Step 3: Cross multiply
    28,862.32x = 39,818.28 × 16,284.64
  4. Step 4: Simplify right side
    28,862.32x = 648,426,355.22
  5. Step 5: Solve for x
    x = 648,426,355.22/28,862.32
  6. Step 6: Final answer
    x = 22,466.19

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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.