Home / 28,323.84-39,088.32-15,748.32

Finding the Fourth Proportional to 28,323.84, 39,088.32 and 15,748.32

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Solution

The fourth proportional to 28,323.84, 39,088.32 and 15,748.32 is: 21,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.84 : 39,088.32 = 15,748.32 : x
  2. Step 2: Convert to fraction form
    28,323.84/39,088.32 = 15,748.32/x
  3. Step 3: Cross multiply
    28,323.84x = 39,088.32 × 15,748.32
  4. Step 4: Simplify right side
    28,323.84x = 615,575,371.62
  5. Step 5: Solve for x
    x = 615,575,371.62/28,323.84
  6. Step 6: Final answer
    x = 21,733.47

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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.