Home / 25,207.02-34,785.80-13,877.64

Finding the Fourth Proportional to 25,207.02, 34,785.80 and 13,877.64

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Solution

The fourth proportional to 25,207.02, 34,785.80 and 13,877.64 is: 19,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207.02 : 34,785.80 = 13,877.64 : x
  2. Step 2: Convert to fraction form
    25,207.02/34,785.80 = 13,877.64/x
  3. Step 3: Cross multiply
    25,207.02x = 34,785.80 × 13,877.64
  4. Step 4: Simplify right side
    25,207.02x = 482,744,809.51
  5. Step 5: Solve for x
    x = 482,744,809.51/25,207.02
  6. Step 6: Final answer
    x = 19,151.21

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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.