Home / 28,466.06-42,706.58-20,470.14

Finding the Fourth Proportional to 28,466.06, 42,706.58 and 20,470.14

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Solution

The fourth proportional to 28,466.06, 42,706.58 and 20,470.14 is: 30,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466.06 : 42,706.58 = 20,470.14 : x
  2. Step 2: Convert to fraction form
    28,466.06/42,706.58 = 20,470.14/x
  3. Step 3: Cross multiply
    28,466.06x = 42,706.58 × 20,470.14
  4. Step 4: Simplify right side
    28,466.06x = 874,209,569.17
  5. Step 5: Solve for x
    x = 874,209,569.17/28,466.06
  6. Step 6: Final answer
    x = 30,710.60

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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.