Home / 28,522.48-42,787.95-9,807.34

Finding the Fourth Proportional to 28,522.48, 42,787.95 and 9,807.34

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Solution

The fourth proportional to 28,522.48, 42,787.95 and 9,807.34 is: 14,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522.48 : 42,787.95 = 9,807.34 : x
  2. Step 2: Convert to fraction form
    28,522.48/42,787.95 = 9,807.34/x
  3. Step 3: Cross multiply
    28,522.48x = 42,787.95 × 9,807.34
  4. Step 4: Simplify right side
    28,522.48x = 419,635,973.55
  5. Step 5: Solve for x
    x = 419,635,973.55/28,522.48
  6. Step 6: Final answer
    x = 14,712.46

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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.