Home / 25,070.80-34,598.40-13,892.80

Finding the Fourth Proportional to 25,070.80, 34,598.40 and 13,892.80

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Solution

The fourth proportional to 25,070.80, 34,598.40 and 13,892.80 is: 19,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,070.80 : 34,598.40 = 13,892.80 : x
  2. Step 2: Convert to fraction form
    25,070.80/34,598.40 = 13,892.80/x
  3. Step 3: Cross multiply
    25,070.80x = 34,598.40 × 13,892.80
  4. Step 4: Simplify right side
    25,070.80x = 480,668,651.52
  5. Step 5: Solve for x
    x = 480,668,651.52/25,070.80
  6. Step 6: Final answer
    x = 19,172.45

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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.