Home / 27,564.39-38,038.65-14,989.14

Finding the Fourth Proportional to 27,564.39, 38,038.65 and 14,989.14

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Solution

The fourth proportional to 27,564.39, 38,038.65 and 14,989.14 is: 20,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,564.39 : 38,038.65 = 14,989.14 : x
  2. Step 2: Convert to fraction form
    27,564.39/38,038.65 = 14,989.14/x
  3. Step 3: Cross multiply
    27,564.39x = 38,038.65 × 14,989.14
  4. Step 4: Simplify right side
    27,564.39x = 570,166,650.26
  5. Step 5: Solve for x
    x = 570,166,650.26/27,564.39
  6. Step 6: Final answer
    x = 20,684.90

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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.