Home / 28,587.99-42,881.67-11,045.52

Finding the Fourth Proportional to 28,587.99, 42,881.67 and 11,045.52

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Solution

The fourth proportional to 28,587.99, 42,881.67 and 11,045.52 is: 16,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.99 : 42,881.67 = 11,045.52 : x
  2. Step 2: Convert to fraction form
    28,587.99/42,881.67 = 11,045.52/x
  3. Step 3: Cross multiply
    28,587.99x = 42,881.67 × 11,045.52
  4. Step 4: Simplify right side
    28,587.99x = 473,650,343.62
  5. Step 5: Solve for x
    x = 473,650,343.62/28,587.99
  6. Step 6: Final answer
    x = 16,568.16

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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.