Home / 28,061.07-42,089.09-9,335.04

Finding the Fourth Proportional to 28,061.07, 42,089.09 and 9,335.04

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Solution

The fourth proportional to 28,061.07, 42,089.09 and 9,335.04 is: 14,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061.07 : 42,089.09 = 9,335.04 : x
  2. Step 2: Convert to fraction form
    28,061.07/42,089.09 = 9,335.04/x
  3. Step 3: Cross multiply
    28,061.07x = 42,089.09 × 9,335.04
  4. Step 4: Simplify right side
    28,061.07x = 392,903,292.04
  5. Step 5: Solve for x
    x = 392,903,292.04/28,061.07
  6. Step 6: Final answer
    x = 14,001.72

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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.