Home / 25,878.40-38,875.20-24,828.80

Finding the Fourth Proportional to 25,878.40, 38,875.20 and 24,828.80

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Solution

The fourth proportional to 25,878.40, 38,875.20 and 24,828.80 is: 37,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,878.40 : 38,875.20 = 24,828.80 : x
  2. Step 2: Convert to fraction form
    25,878.40/38,875.20 = 24,828.80/x
  3. Step 3: Cross multiply
    25,878.40x = 38,875.20 × 24,828.80
  4. Step 4: Simplify right side
    25,878.40x = 965,224,565.76
  5. Step 5: Solve for x
    x = 965,224,565.76/25,878.40
  6. Step 6: Final answer
    x = 37,298.46

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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.