Home / 25,394.40-38,125.80-14,875.20

Finding the Fourth Proportional to 25,394.40, 38,125.80 and 14,875.20

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Solution

The fourth proportional to 25,394.40, 38,125.80 and 14,875.20 is: 22,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,394.40 : 38,125.80 = 14,875.20 : x
  2. Step 2: Convert to fraction form
    25,394.40/38,125.80 = 14,875.20/x
  3. Step 3: Cross multiply
    25,394.40x = 38,125.80 × 14,875.20
  4. Step 4: Simplify right side
    25,394.40x = 567,128,900.16
  5. Step 5: Solve for x
    x = 567,128,900.16/25,394.40
  6. Step 6: Final answer
    x = 22,332.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.