Home / 27,559.31-38,030.31-15,621.93

Finding the Fourth Proportional to 27,559.31, 38,030.31 and 15,621.93

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Solution

The fourth proportional to 27,559.31, 38,030.31 and 15,621.93 is: 21,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559.31 : 38,030.31 = 15,621.93 : x
  2. Step 2: Convert to fraction form
    27,559.31/38,030.31 = 15,621.93/x
  3. Step 3: Cross multiply
    27,559.31x = 38,030.31 × 15,621.93
  4. Step 4: Simplify right side
    27,559.31x = 594,106,840.70
  5. Step 5: Solve for x
    x = 594,106,840.70/27,559.31
  6. Step 6: Final answer
    x = 21,557.40

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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.