Home / 25,030.80-34,542-14,420.16

Finding the Fourth Proportional to 25,030.80, 34,542 and 14,420.16

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Solution

The fourth proportional to 25,030.80, 34,542 and 14,420.16 is: 19,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,030.80 : 34,542 = 14,420.16 : x
  2. Step 2: Convert to fraction form
    25,030.80/34,542 = 14,420.16/x
  3. Step 3: Cross multiply
    25,030.80x = 34,542 × 14,420.16
  4. Step 4: Simplify right side
    25,030.80x = 498,101,166.72
  5. Step 5: Solve for x
    x = 498,101,166.72/25,030.80
  6. Step 6: Final answer
    x = 19,899.53

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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.