Home / 25,019.77-34,526.58-13,689.03

Finding the Fourth Proportional to 25,019.77, 34,526.58 and 13,689.03

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Solution

The fourth proportional to 25,019.77, 34,526.58 and 13,689.03 is: 18,890.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,019.77 : 34,526.58 = 13,689.03 : x
  2. Step 2: Convert to fraction form
    25,019.77/34,526.58 = 13,689.03/x
  3. Step 3: Cross multiply
    25,019.77x = 34,526.58 × 13,689.03
  4. Step 4: Simplify right side
    25,019.77x = 472,635,214.74
  5. Step 5: Solve for x
    x = 472,635,214.74/25,019.77
  6. Step 6: Final answer
    x = 18,890.47

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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.