Home / 19,474.02-26,884.47-15,603.53

Finding the Fourth Proportional to 19,474.02, 26,884.47 and 15,603.53

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Solution

The fourth proportional to 19,474.02, 26,884.47 and 15,603.53 is: 21,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.02 : 26,884.47 = 15,603.53 : x
  2. Step 2: Convert to fraction form
    19,474.02/26,884.47 = 15,603.53/x
  3. Step 3: Cross multiply
    19,474.02x = 26,884.47 × 15,603.53
  4. Step 4: Simplify right side
    19,474.02x = 419,492,499.76
  5. Step 5: Solve for x
    x = 419,492,499.76/19,474.02
  6. Step 6: Final answer
    x = 21,541.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.