Home / 19,767.48-27,289.08-15,281.10

Finding the Fourth Proportional to 19,767.48, 27,289.08 and 15,281.10

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Solution

The fourth proportional to 19,767.48, 27,289.08 and 15,281.10 is: 21,095.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.48 : 27,289.08 = 15,281.10 : x
  2. Step 2: Convert to fraction form
    19,767.48/27,289.08 = 15,281.10/x
  3. Step 3: Cross multiply
    19,767.48x = 27,289.08 × 15,281.10
  4. Step 4: Simplify right side
    19,767.48x = 417,007,160.39
  5. Step 5: Solve for x
    x = 417,007,160.39/19,767.48
  6. Step 6: Final answer
    x = 21,095.62

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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.