Home / 28,610.93-39,482.67-15,864.14

Finding the Fourth Proportional to 28,610.93, 39,482.67 and 15,864.14

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Solution

The fourth proportional to 28,610.93, 39,482.67 and 15,864.14 is: 21,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610.93 : 39,482.67 = 15,864.14 : x
  2. Step 2: Convert to fraction form
    28,610.93/39,482.67 = 15,864.14/x
  3. Step 3: Cross multiply
    28,610.93x = 39,482.67 × 15,864.14
  4. Step 4: Simplify right side
    28,610.93x = 626,358,545.41
  5. Step 5: Solve for x
    x = 626,358,545.41/28,610.93
  6. Step 6: Final answer
    x = 21,892.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.