Home / 28,637.92-42,950.40-13,060

Finding the Fourth Proportional to 28,637.92, 42,950.40 and 13,060

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Solution

The fourth proportional to 28,637.92, 42,950.40 and 13,060 is: 19,587.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.92 : 42,950.40 = 13,060 : x
  2. Step 2: Convert to fraction form
    28,637.92/42,950.40 = 13,060/x
  3. Step 3: Cross multiply
    28,637.92x = 42,950.40 × 13,060
  4. Step 4: Simplify right side
    28,637.92x = 560,932,224
  5. Step 5: Solve for x
    x = 560,932,224/28,637.92
  6. Step 6: Final answer
    x = 19,587.04

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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.