Home / 28,413.13-42,595.08-10,870.66

Finding the Fourth Proportional to 28,413.13, 42,595.08 and 10,870.66

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Solution

The fourth proportional to 28,413.13, 42,595.08 and 10,870.66 is: 16,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.13 : 42,595.08 = 10,870.66 : x
  2. Step 2: Convert to fraction form
    28,413.13/42,595.08 = 10,870.66/x
  3. Step 3: Cross multiply
    28,413.13x = 42,595.08 × 10,870.66
  4. Step 4: Simplify right side
    28,413.13x = 463,036,632.35
  5. Step 5: Solve for x
    x = 463,036,632.35/28,413.13
  6. Step 6: Final answer
    x = 16,296.57

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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.