Home / 25,307.61-34,965.18-21,570.27

Finding the Fourth Proportional to 25,307.61, 34,965.18 and 21,570.27

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Solution

The fourth proportional to 25,307.61, 34,965.18 and 21,570.27 is: 29,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,307.61 : 34,965.18 = 21,570.27 : x
  2. Step 2: Convert to fraction form
    25,307.61/34,965.18 = 21,570.27/x
  3. Step 3: Cross multiply
    25,307.61x = 34,965.18 × 21,570.27
  4. Step 4: Simplify right side
    25,307.61x = 754,208,373.20
  5. Step 5: Solve for x
    x = 754,208,373.20/25,307.61
  6. Step 6: Final answer
    x = 29,801.64

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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.