Home / 28,323-39,088.17-15,750.18

Finding the Fourth Proportional to 28,323, 39,088.17 and 15,750.18

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Solution

The fourth proportional to 28,323, 39,088.17 and 15,750.18 is: 21,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323 : 39,088.17 = 15,750.18 : x
  2. Step 2: Convert to fraction form
    28,323/39,088.17 = 15,750.18/x
  3. Step 3: Cross multiply
    28,323x = 39,088.17 × 15,750.18
  4. Step 4: Simplify right side
    28,323x = 615,645,713.37
  5. Step 5: Solve for x
    x = 615,645,713.37/28,323
  6. Step 6: Final answer
    x = 21,736.60

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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.