Home / 18,885.83-28,301.18-16,810.00

Finding the Fourth Proportional to 18,885.83, 28,301.18 and 16,810.00

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Solution

The fourth proportional to 18,885.83, 28,301.18 and 16,810.00 is: 25,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.83 : 28,301.18 = 16,810.00 : x
  2. Step 2: Convert to fraction form
    18,885.83/28,301.18 = 16,810.00/x
  3. Step 3: Cross multiply
    18,885.83x = 28,301.18 × 16,810.00
  4. Step 4: Simplify right side
    18,885.83x = 475,742,681.00
  5. Step 5: Solve for x
    x = 475,742,681.00/18,885.83
  6. Step 6: Final answer
    x = 25,190.46

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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.