Home / 28,637.12-39,521.04-16,063.76

Finding the Fourth Proportional to 28,637.12, 39,521.04 and 16,063.76

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Solution

The fourth proportional to 28,637.12, 39,521.04 and 16,063.76 is: 22,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.12 : 39,521.04 = 16,063.76 : x
  2. Step 2: Convert to fraction form
    28,637.12/39,521.04 = 16,063.76/x
  3. Step 3: Cross multiply
    28,637.12x = 39,521.04 × 16,063.76
  4. Step 4: Simplify right side
    28,637.12x = 634,856,501.51
  5. Step 5: Solve for x
    x = 634,856,501.51/28,637.12
  6. Step 6: Final answer
    x = 22,169.01

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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.