Home / 28,289.04-42,417-10,760.16

Finding the Fourth Proportional to 28,289.04, 42,417 and 10,760.16

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Solution

The fourth proportional to 28,289.04, 42,417 and 10,760.16 is: 16,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.04 : 42,417 = 10,760.16 : x
  2. Step 2: Convert to fraction form
    28,289.04/42,417 = 10,760.16/x
  3. Step 3: Cross multiply
    28,289.04x = 42,417 × 10,760.16
  4. Step 4: Simplify right side
    28,289.04x = 456,413,706.72
  5. Step 5: Solve for x
    x = 456,413,706.72/28,289.04
  6. Step 6: Final answer
    x = 16,133.94

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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.