Home / 27,280.32-37,483.68-21,681.60

Finding the Fourth Proportional to 27,280.32, 37,483.68 and 21,681.60

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Solution

The fourth proportional to 27,280.32, 37,483.68 and 21,681.60 is: 29,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.32 : 37,483.68 = 21,681.60 : x
  2. Step 2: Convert to fraction form
    27,280.32/37,483.68 = 21,681.60/x
  3. Step 3: Cross multiply
    27,280.32x = 37,483.68 × 21,681.60
  4. Step 4: Simplify right side
    27,280.32x = 812,706,156.29
  5. Step 5: Solve for x
    x = 812,706,156.29/27,280.32
  6. Step 6: Final answer
    x = 29,790.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.