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Finding the Fourth Proportional to 25,394.63, 35,032.95 and 16,445.01

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Solution

The fourth proportional to 25,394.63, 35,032.95 and 16,445.01 is: 22,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,394.63 : 35,032.95 = 16,445.01 : x
  2. Step 2: Convert to fraction form
    25,394.63/35,032.95 = 16,445.01/x
  3. Step 3: Cross multiply
    25,394.63x = 35,032.95 × 16,445.01
  4. Step 4: Simplify right side
    25,394.63x = 576,117,213.08
  5. Step 5: Solve for x
    x = 576,117,213.08/25,394.63
  6. Step 6: Final answer
    x = 22,686.58

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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.