Home / 19,812.52-29,541.65-19,268.20

Finding the Fourth Proportional to 19,812.52, 29,541.65 and 19,268.20

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Solution

The fourth proportional to 19,812.52, 29,541.65 and 19,268.20 is: 28,730.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.52 : 29,541.65 = 19,268.20 : x
  2. Step 2: Convert to fraction form
    19,812.52/29,541.65 = 19,268.20/x
  3. Step 3: Cross multiply
    19,812.52x = 29,541.65 × 19,268.20
  4. Step 4: Simplify right side
    19,812.52x = 569,214,420.53
  5. Step 5: Solve for x
    x = 569,214,420.53/19,812.52
  6. Step 6: Final answer
    x = 28,730.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.