Home / 28,050.84-42,071.94-9,331.20

Finding the Fourth Proportional to 28,050.84, 42,071.94 and 9,331.20

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Solution

The fourth proportional to 28,050.84, 42,071.94 and 9,331.20 is: 13,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.84 : 42,071.94 = 9,331.20 : x
  2. Step 2: Convert to fraction form
    28,050.84/42,071.94 = 9,331.20/x
  3. Step 3: Cross multiply
    28,050.84x = 42,071.94 × 9,331.20
  4. Step 4: Simplify right side
    28,050.84x = 392,581,686.53
  5. Step 5: Solve for x
    x = 392,581,686.53/28,050.84
  6. Step 6: Final answer
    x = 13,995.36

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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.