Home / 25,533.04-38,127.40-20,862.24

Finding the Fourth Proportional to 25,533.04, 38,127.40 and 20,862.24

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Solution

The fourth proportional to 25,533.04, 38,127.40 and 20,862.24 is: 31,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,533.04 : 38,127.40 = 20,862.24 : x
  2. Step 2: Convert to fraction form
    25,533.04/38,127.40 = 20,862.24/x
  3. Step 3: Cross multiply
    25,533.04x = 38,127.40 × 20,862.24
  4. Step 4: Simplify right side
    25,533.04x = 795,422,969.38
  5. Step 5: Solve for x
    x = 795,422,969.38/25,533.04
  6. Step 6: Final answer
    x = 31,152.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.