Home / 25,092.81-34,627.56-15,530.16

Finding the Fourth Proportional to 25,092.81, 34,627.56 and 15,530.16

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Solution

The fourth proportional to 25,092.81, 34,627.56 and 15,530.16 is: 21,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,092.81 : 34,627.56 = 15,530.16 : x
  2. Step 2: Convert to fraction form
    25,092.81/34,627.56 = 15,530.16/x
  3. Step 3: Cross multiply
    25,092.81x = 34,627.56 × 15,530.16
  4. Step 4: Simplify right side
    25,092.81x = 537,771,547.21
  5. Step 5: Solve for x
    x = 537,771,547.21/25,092.81
  6. Step 6: Final answer
    x = 21,431.30

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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.