Home / 19,555.10-26,985.78-10,602.57

Finding the Fourth Proportional to 19,555.10, 26,985.78 and 10,602.57

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Solution

The fourth proportional to 19,555.10, 26,985.78 and 10,602.57 is: 14,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.10 : 26,985.78 = 10,602.57 : x
  2. Step 2: Convert to fraction form
    19,555.10/26,985.78 = 10,602.57/x
  3. Step 3: Cross multiply
    19,555.10x = 26,985.78 × 10,602.57
  4. Step 4: Simplify right side
    19,555.10x = 286,118,621.45
  5. Step 5: Solve for x
    x = 286,118,621.45/19,555.10
  6. Step 6: Final answer
    x = 14,631.41

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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.