Home / 25,287.40-37,931.10-13,477.60

Finding the Fourth Proportional to 25,287.40, 37,931.10 and 13,477.60

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Solution

The fourth proportional to 25,287.40, 37,931.10 and 13,477.60 is: 20,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.40 : 37,931.10 = 13,477.60 : x
  2. Step 2: Convert to fraction form
    25,287.40/37,931.10 = 13,477.60/x
  3. Step 3: Cross multiply
    25,287.40x = 37,931.10 × 13,477.60
  4. Step 4: Simplify right side
    25,287.40x = 511,220,193.36
  5. Step 5: Solve for x
    x = 511,220,193.36/25,287.40
  6. Step 6: Final answer
    x = 20,216.40

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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.