Home / 18,931.04-28,342.98-10,026.10

Finding the Fourth Proportional to 18,931.04, 28,342.98 and 10,026.10

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Solution

The fourth proportional to 18,931.04, 28,342.98 and 10,026.10 is: 15,010.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931.04 : 28,342.98 = 10,026.10 : x
  2. Step 2: Convert to fraction form
    18,931.04/28,342.98 = 10,026.10/x
  3. Step 3: Cross multiply
    18,931.04x = 28,342.98 × 10,026.10
  4. Step 4: Simplify right side
    18,931.04x = 284,169,551.78
  5. Step 5: Solve for x
    x = 284,169,551.78/18,931.04
  6. Step 6: Final answer
    x = 15,010.77

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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.