Home / 27,812.16-41,652.36-21,929.40

Finding the Fourth Proportional to 27,812.16, 41,652.36 and 21,929.40

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Solution

The fourth proportional to 27,812.16, 41,652.36 and 21,929.40 is: 32,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,812.16 : 41,652.36 = 21,929.40 : x
  2. Step 2: Convert to fraction form
    27,812.16/41,652.36 = 21,929.40/x
  3. Step 3: Cross multiply
    27,812.16x = 41,652.36 × 21,929.40
  4. Step 4: Simplify right side
    27,812.16x = 913,411,263.38
  5. Step 5: Solve for x
    x = 913,411,263.38/27,812.16
  6. Step 6: Final answer
    x = 32,842.15

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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.