Home / 28,527.50-39,354.68-18,459.19

Finding the Fourth Proportional to 28,527.50, 39,354.68 and 18,459.19

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Solution

The fourth proportional to 28,527.50, 39,354.68 and 18,459.19 is: 25,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.50 : 39,354.68 = 18,459.19 : x
  2. Step 2: Convert to fraction form
    28,527.50/39,354.68 = 18,459.19/x
  3. Step 3: Cross multiply
    28,527.50x = 39,354.68 × 18,459.19
  4. Step 4: Simplify right side
    28,527.50x = 726,455,389.48
  5. Step 5: Solve for x
    x = 726,455,389.48/28,527.50
  6. Step 6: Final answer
    x = 25,465.09

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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.