Home / 25,295.04-34,827.84-20,804.40

Finding the Fourth Proportional to 25,295.04, 34,827.84 and 20,804.40

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Solution

The fourth proportional to 25,295.04, 34,827.84 and 20,804.40 is: 28,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,295.04 : 34,827.84 = 20,804.40 : x
  2. Step 2: Convert to fraction form
    25,295.04/34,827.84 = 20,804.40/x
  3. Step 3: Cross multiply
    25,295.04x = 34,827.84 × 20,804.40
  4. Step 4: Simplify right side
    25,295.04x = 724,572,314.50
  5. Step 5: Solve for x
    x = 724,572,314.50/25,295.04
  6. Step 6: Final answer
    x = 28,644.84

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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.