Home / 19,352.40-26,670.60-14,629.20

Finding the Fourth Proportional to 19,352.40, 26,670.60 and 14,629.20

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Solution

The fourth proportional to 19,352.40, 26,670.60 and 14,629.20 is: 20,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.40 : 26,670.60 = 14,629.20 : x
  2. Step 2: Convert to fraction form
    19,352.40/26,670.60 = 14,629.20/x
  3. Step 3: Cross multiply
    19,352.40x = 26,670.60 × 14,629.20
  4. Step 4: Simplify right side
    19,352.40x = 390,169,541.52
  5. Step 5: Solve for x
    x = 390,169,541.52/19,352.40
  6. Step 6: Final answer
    x = 20,161.30

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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.