Home / 28,019.17-42,033.75-9,300.34

Finding the Fourth Proportional to 28,019.17, 42,033.75 and 9,300.34

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Solution

The fourth proportional to 28,019.17, 42,033.75 and 9,300.34 is: 13,952.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,019.17 : 42,033.75 = 9,300.34 : x
  2. Step 2: Convert to fraction form
    28,019.17/42,033.75 = 9,300.34/x
  3. Step 3: Cross multiply
    28,019.17x = 42,033.75 × 9,300.34
  4. Step 4: Simplify right side
    28,019.17x = 390,928,166.48
  5. Step 5: Solve for x
    x = 390,928,166.48/28,019.17
  6. Step 6: Final answer
    x = 13,952.17

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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.