Home / 28,070.45-42,096.56-9,345.46

Finding the Fourth Proportional to 28,070.45, 42,096.56 and 9,345.46

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Solution

The fourth proportional to 28,070.45, 42,096.56 and 9,345.46 is: 14,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.45 : 42,096.56 = 9,345.46 : x
  2. Step 2: Convert to fraction form
    28,070.45/42,096.56 = 9,345.46/x
  3. Step 3: Cross multiply
    28,070.45x = 42,096.56 × 9,345.46
  4. Step 4: Simplify right side
    28,070.45x = 393,411,635.74
  5. Step 5: Solve for x
    x = 393,411,635.74/28,070.45
  6. Step 6: Final answer
    x = 14,015.15

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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.