Home / 26,570.46-39,880.35-13,432.08

Finding the Fourth Proportional to 26,570.46, 39,880.35 and 13,432.08

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Solution

The fourth proportional to 26,570.46, 39,880.35 and 13,432.08 is: 20,160.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,570.46 : 39,880.35 = 13,432.08 : x
  2. Step 2: Convert to fraction form
    26,570.46/39,880.35 = 13,432.08/x
  3. Step 3: Cross multiply
    26,570.46x = 39,880.35 × 13,432.08
  4. Step 4: Simplify right side
    26,570.46x = 535,676,051.63
  5. Step 5: Solve for x
    x = 535,676,051.63/26,570.46
  6. Step 6: Final answer
    x = 20,160.59

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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.