Home / 25,139.66-34,693.35-13,810.28

Finding the Fourth Proportional to 25,139.66, 34,693.35 and 13,810.28

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Solution

The fourth proportional to 25,139.66, 34,693.35 and 13,810.28 is: 19,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.66 : 34,693.35 = 13,810.28 : x
  2. Step 2: Convert to fraction form
    25,139.66/34,693.35 = 13,810.28/x
  3. Step 3: Cross multiply
    25,139.66x = 34,693.35 × 13,810.28
  4. Step 4: Simplify right side
    25,139.66x = 479,124,877.64
  5. Step 5: Solve for x
    x = 479,124,877.64/25,139.66
  6. Step 6: Final answer
    x = 19,058.53

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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.