Home / 25,729.47-38,526.30-20,705.04

Finding the Fourth Proportional to 25,729.47, 38,526.30 and 20,705.04

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Solution

The fourth proportional to 25,729.47, 38,526.30 and 20,705.04 is: 31,002.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.47 : 38,526.30 = 20,705.04 : x
  2. Step 2: Convert to fraction form
    25,729.47/38,526.30 = 20,705.04/x
  3. Step 3: Cross multiply
    25,729.47x = 38,526.30 × 20,705.04
  4. Step 4: Simplify right side
    25,729.47x = 797,688,582.55
  5. Step 5: Solve for x
    x = 797,688,582.55/25,729.47
  6. Step 6: Final answer
    x = 31,002.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.