Home / 25,698.40-38,547.60-24,143.20

Finding the Fourth Proportional to 25,698.40, 38,547.60 and 24,143.20

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Solution

The fourth proportional to 25,698.40, 38,547.60 and 24,143.20 is: 36,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,698.40 : 38,547.60 = 24,143.20 : x
  2. Step 2: Convert to fraction form
    25,698.40/38,547.60 = 24,143.20/x
  3. Step 3: Cross multiply
    25,698.40x = 38,547.60 × 24,143.20
  4. Step 4: Simplify right side
    25,698.40x = 930,662,416.32
  5. Step 5: Solve for x
    x = 930,662,416.32/25,698.40
  6. Step 6: Final answer
    x = 36,214.80

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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.