Home / 28,318.96-42,492.71-20,052.10

Finding the Fourth Proportional to 28,318.96, 42,492.71 and 20,052.10

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Solution

The fourth proportional to 28,318.96, 42,492.71 and 20,052.10 is: 30,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.96 : 42,492.71 = 20,052.10 : x
  2. Step 2: Convert to fraction form
    28,318.96/42,492.71 = 20,052.10/x
  3. Step 3: Cross multiply
    28,318.96x = 42,492.71 × 20,052.10
  4. Step 4: Simplify right side
    28,318.96x = 852,068,070.19
  5. Step 5: Solve for x
    x = 852,068,070.19/28,318.96
  6. Step 6: Final answer
    x = 30,088.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.