Home / 28,036.16-42,061.33-9,316.29

Finding the Fourth Proportional to 28,036.16, 42,061.33 and 9,316.29

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Solution

The fourth proportional to 28,036.16, 42,061.33 and 9,316.29 is: 13,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.16 : 42,061.33 = 9,316.29 : x
  2. Step 2: Convert to fraction form
    28,036.16/42,061.33 = 9,316.29/x
  3. Step 3: Cross multiply
    28,036.16x = 42,061.33 × 9,316.29
  4. Step 4: Simplify right side
    28,036.16x = 391,855,548.07
  5. Step 5: Solve for x
    x = 391,855,548.07/28,036.16
  6. Step 6: Final answer
    x = 13,976.79

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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.