Home / 25,290.40-34,900.20-14,535.28

Finding the Fourth Proportional to 25,290.40, 34,900.20 and 14,535.28

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Solution

The fourth proportional to 25,290.40, 34,900.20 and 14,535.28 is: 20,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290.40 : 34,900.20 = 14,535.28 : x
  2. Step 2: Convert to fraction form
    25,290.40/34,900.20 = 14,535.28/x
  3. Step 3: Cross multiply
    25,290.40x = 34,900.20 × 14,535.28
  4. Step 4: Simplify right side
    25,290.40x = 507,284,179.06
  5. Step 5: Solve for x
    x = 507,284,179.06/25,290.40
  6. Step 6: Final answer
    x = 20,058.37

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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.