Home / 19,643.98-26,931.93-19,288.60

Finding the Fourth Proportional to 19,643.98, 26,931.93 and 19,288.60

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Solution

The fourth proportional to 19,643.98, 26,931.93 and 19,288.60 is: 26,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.98 : 26,931.93 = 19,288.60 : x
  2. Step 2: Convert to fraction form
    19,643.98/26,931.93 = 19,288.60/x
  3. Step 3: Cross multiply
    19,643.98x = 26,931.93 × 19,288.60
  4. Step 4: Simplify right side
    19,643.98x = 519,479,225.00
  5. Step 5: Solve for x
    x = 519,479,225.00/19,643.98
  6. Step 6: Final answer
    x = 26,444.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.