Home / 28,903.68-39,886.56-16,328.16

Finding the Fourth Proportional to 28,903.68, 39,886.56 and 16,328.16

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Solution

The fourth proportional to 28,903.68, 39,886.56 and 16,328.16 is: 22,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.68 : 39,886.56 = 16,328.16 : x
  2. Step 2: Convert to fraction form
    28,903.68/39,886.56 = 16,328.16/x
  3. Step 3: Cross multiply
    28,903.68x = 39,886.56 × 16,328.16
  4. Step 4: Simplify right side
    28,903.68x = 651,274,133.53
  5. Step 5: Solve for x
    x = 651,274,133.53/28,903.68
  6. Step 6: Final answer
    x = 22,532.57

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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.