Home / 23,476.28-32,378.40-20,637.64

Finding the Fourth Proportional to 23,476.28, 32,378.40 and 20,637.64

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Solution

The fourth proportional to 23,476.28, 32,378.40 and 20,637.64 is: 28,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,476.28 : 32,378.40 = 20,637.64 : x
  2. Step 2: Convert to fraction form
    23,476.28/32,378.40 = 20,637.64/x
  3. Step 3: Cross multiply
    23,476.28x = 32,378.40 × 20,637.64
  4. Step 4: Simplify right side
    23,476.28x = 668,213,621.32
  5. Step 5: Solve for x
    x = 668,213,621.32/23,476.28
  6. Step 6: Final answer
    x = 28,463.35

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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.