Home / 25,088.28-34,621.80-14,477.90

Finding the Fourth Proportional to 25,088.28, 34,621.80 and 14,477.90

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Solution

The fourth proportional to 25,088.28, 34,621.80 and 14,477.90 is: 19,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,088.28 : 34,621.80 = 14,477.90 : x
  2. Step 2: Convert to fraction form
    25,088.28/34,621.80 = 14,477.90/x
  3. Step 3: Cross multiply
    25,088.28x = 34,621.80 × 14,477.90
  4. Step 4: Simplify right side
    25,088.28x = 501,250,958.22
  5. Step 5: Solve for x
    x = 501,250,958.22/25,088.28
  6. Step 6: Final answer
    x = 19,979.49

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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.