Home / 28,655.93-39,547.72-16,723.11

Finding the Fourth Proportional to 28,655.93, 39,547.72 and 16,723.11

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Solution

The fourth proportional to 28,655.93, 39,547.72 and 16,723.11 is: 23,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655.93 : 39,547.72 = 16,723.11 : x
  2. Step 2: Convert to fraction form
    28,655.93/39,547.72 = 16,723.11/x
  3. Step 3: Cross multiply
    28,655.93x = 39,547.72 × 16,723.11
  4. Step 4: Simplify right side
    28,655.93x = 661,360,771.53
  5. Step 5: Solve for x
    x = 661,360,771.53/28,655.93
  6. Step 6: Final answer
    x = 23,079.37

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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.